<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->

<!-- This component and the accompanying materials are made available under the terms of the License 

"Eclipse Public License v1.0" which accompanies this distribution, 

and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->

<!-- Initial Contributors:

    Nokia Corporation - initial contribution.

Contributors: 

-->

<!DOCTYPE concept

  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">

<concept id="GUID-626D2500-7E0E-5A93-9202-03C13EA8C0C7" xml:lang="en"><title>Category:

E32USER-CBase</title><prolog><metadata><keywords/></metadata></prolog><conbody>

<p>Panics with this category are raised in user side code by member functions

of <codeph>CBase</codeph> derived classes that reside in the <filepath>euser.dll</filepath> file.

Typically, they are caused by passing bad or contradictory values to class

constructors or member functions. </p>

<p>The thread causing the panic is terminated. </p>

<table id="GUID-7FE7A949-7ED1-53D1-B73A-FE15766EB777">

<tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/>

<tbody>

<row>

<entry><p> <codeph>1</codeph>  </p> </entry>

<entry><p>This panic is raised by the <xref href="GUID-B469B031-B138-3D92-B5AB-0E043447F932.dita#GUID-B469B031-B138-3D92-B5AB-0E043447F932/GUID-3E4CEED6-014F-38E4-A7B4-DDE0158362F4"><apiname>CAsyncCallBack::Set()</apiname></xref> function,

if this active object is already active when the function is called. </p> </entry>

</row>

<row>

<entry><p> <codeph>2</codeph>  </p> </entry>

<entry><p> <i>This panic is raised in debug builds only.</i>  </p> <p>This

panic is raised by the <xref href="GUID-619AF4A9-4DAF-3FA4-A704-717DB30B5389.dita#GUID-619AF4A9-4DAF-3FA4-A704-717DB30B5389/GUID-A7955FDB-B030-392F-B5D8-13F7EEDF4337"><apiname>CAsyncOneShot::Call()</apiname></xref> function,

if the active object has not already been added to the active scheduler. </p> </entry>

</row>

<row>

<entry><p> <codeph>3</codeph>  </p> </entry>

<entry><p>This panic is raised during construction of a dynamic buffer (a <xref href="GUID-F915EF7D-7C06-3902-AB84-C8E89ABE7F18.dita"><apiname>CBufFlat</apiname></xref> or

a <xref href="GUID-74CD841C-49EE-3512-9C05-2A05924A63A7.dita"><apiname>CBufSeg</apiname></xref>) when the value of the granularity passed to

the constructors is negative. </p> </entry>

</row>

<row>

<entry><p> <codeph>4</codeph>  </p> </entry>

<entry><p>This panic is raised when reading from a dynamic buffer (a <xref href="GUID-F915EF7D-7C06-3902-AB84-C8E89ABE7F18.dita"><apiname>CBufFlat</apiname></xref> or

a <xref href="GUID-74CD841C-49EE-3512-9C05-2A05924A63A7.dita"><apiname>CBufSeg</apiname></xref>) using the <codeph>Read()</codeph> member function.

It is caused by attempting to read beyond the end of the buffer. </p> </entry>

</row>

<row>

<entry><p> <codeph>5</codeph>  </p> </entry>

<entry><p>This panic is raised when writing to a dynamic buffer (a <xref href="GUID-F915EF7D-7C06-3902-AB84-C8E89ABE7F18.dita"><apiname>CBufFlat</apiname></xref> or

a <xref href="GUID-74CD841C-49EE-3512-9C05-2A05924A63A7.dita"><apiname>CBufSeg</apiname></xref>) using the <codeph>Write()</codeph> member function.

It is caused by attempting to write beyond the end of the buffer. </p> </entry>

</row>

<row>

<entry><p> <codeph>6</codeph>  </p> </entry>

<entry><p>This panic is raised when reading from a dynamic buffer (a <xref href="GUID-F915EF7D-7C06-3902-AB84-C8E89ABE7F18.dita"><apiname>CBufFlat</apiname></xref> or

a <xref href="GUID-74CD841C-49EE-3512-9C05-2A05924A63A7.dita"><apiname>CBufSeg</apiname></xref>) using the <codeph>Read()</codeph> member function.

It is caused by specifying a negative length for the amount of data to be

read </p> </entry>

</row>

<row>

<entry><p> <codeph>7</codeph>  </p> </entry>

<entry><p>This panic is raised when writing to a dynamic buffer (a <xref href="GUID-F915EF7D-7C06-3902-AB84-C8E89ABE7F18.dita"><apiname>CBufFlat</apiname></xref> or

a <xref href="GUID-74CD841C-49EE-3512-9C05-2A05924A63A7.dita"><apiname>CBufSeg</apiname></xref>) using the <codeph>Write()</codeph> member function.

It is caused by specifying a negative length for the amount of data to be

written. </p> </entry>

</row>

<row>

<entry><p> <codeph>8</codeph>  </p> </entry>

<entry><p>This panic is raised when inserting data into a dynamic buffer (a <xref href="GUID-F915EF7D-7C06-3902-AB84-C8E89ABE7F18.dita"><apiname>CBufFlat</apiname></xref> or

a <xref href="GUID-74CD841C-49EE-3512-9C05-2A05924A63A7.dita"><apiname>CBufSeg</apiname></xref>) using the <codeph>InsertL()</codeph> member

function or when inserting an uninitialized region into the dynamic buffer

using the <codeph>ExpandL()</codeph> member function. It is caused by passing

a negative length value to these functions. </p> </entry>

</row>

<row>

<entry><p> <codeph>9</codeph>  </p> </entry>

<entry><p>This panic is raised when inserting data into a dynamic buffer (a <xref href="GUID-F915EF7D-7C06-3902-AB84-C8E89ABE7F18.dita"><apiname>CBufFlat</apiname></xref> or

a <xref href="GUID-74CD841C-49EE-3512-9C05-2A05924A63A7.dita"><apiname>CBufSeg</apiname></xref>) using the <codeph>InsertL()</codeph> member

function. It is caused when the variant of <codeph>InsertL()</codeph> which

takes a pointer to <codeph>TAny</codeph>, is passed a NULL pointer value. </p> </entry>

</row>

<row>

<entry><p> <codeph>10</codeph>  </p> </entry>

<entry><p>This panic is raised when specifying the minimum amount of space

which a flat dynamic buffer (a <xref href="GUID-F915EF7D-7C06-3902-AB84-C8E89ABE7F18.dita"><apiname>CBufFlat</apiname></xref>) should occupy

using the <codeph>SetReserveL()</codeph> member function. It is caused when

the size value passed to the function is negative. </p> </entry>

</row>

<row>

<entry><p> <codeph>11</codeph>  </p> </entry>

<entry><p>This panic is raised when specifying the minimum amount of space

which a flat dynamic buffer (a <xref href="GUID-F915EF7D-7C06-3902-AB84-C8E89ABE7F18.dita"><apiname>CBufFlat</apiname></xref>) should occupy

using the <codeph>SetReserveL()</codeph> member function. It is caused when

the size value passed to the function is less than the current size of the

buffer. </p> </entry>

</row>

<row>

<entry><p> <codeph>12</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Delete()</codeph>, <codeph>Ptr()</codeph>, <codeph>BackPtr()</codeph> member

functions of a flat dynamic buffer (a <xref href="GUID-F915EF7D-7C06-3902-AB84-C8E89ABE7F18.dita"><apiname>CBufFlat</apiname></xref> ) ; the

panic can also be raised by <codeph>InsertL()</codeph> and <codeph>ExpandL()</codeph>.

It is caused when the position value passed to these functions is either negative

or represents a position beyond the end of the current buffer. </p> </entry>

</row>

<row>

<entry><p> <codeph>13</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Delete()</codeph> member function

of a flat dynamic buffer (a <xref href="GUID-F915EF7D-7C06-3902-AB84-C8E89ABE7F18.dita"><apiname>CBufFlat</apiname></xref> ) . It is caused when

the combination of position and length values passed to the function implies

an attempt to delete data beyond the end of the flat buffer. </p> </entry>

</row>

<row>

<entry><p> <codeph>14</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Delete()</codeph>, <codeph>Ptr()</codeph>, <codeph>BackPtr()</codeph> member

functions of a segmented dynamic buffer (a <xref href="GUID-74CD841C-49EE-3512-9C05-2A05924A63A7.dita"><apiname>CBufSeg</apiname></xref> ) ;

the panic can also be raised by <codeph>InsertL()</codeph> and <codeph>ExpandL()</codeph>.

It is caused when the position value passed to these functions is either negative

or represents a position beyond the end of the current buffer. </p> </entry>

</row>

<row>

<entry><p> <codeph>15</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Delete()</codeph> member function

of a segmented dynamic buffer (a <xref href="GUID-74CD841C-49EE-3512-9C05-2A05924A63A7.dita"><apiname>CBufSeg</apiname></xref> ) . It is caused

when the combination of position and length values passed to the function

implies an attempt to delete data beyond the end of the segmented buffer. </p> </entry>

</row>

<row>

<entry><p> <codeph>16</codeph>  </p> </entry>

<entry><p> <i>This panic is raised in debug builds only.</i>  </p> <p>This

panic is raised by the <codeph>InsertL()</codeph>, <codeph>Delete()</codeph>, <codeph>Ptr()</codeph> and <codeph>BackPtr()</codeph> member

functions as implemented for segmented buffers (<xref href="GUID-74CD841C-49EE-3512-9C05-2A05924A63A7.dita"><apiname>CBufSeg</apiname></xref>)

, when the offset within a segment, where data is to be inserted or removed,

is greater than the buffer granularity. </p> </entry>

</row>

<row>

<entry><p> <codeph>17</codeph>  </p> </entry>

<entry><p>This panic is raised by the constructors of arrays of fixed length

objects as represented, for example, by the classes <xref href="GUID-12C65B99-553E-35CA-B36F-2F77BFC972B3.dita"><apiname>CArrayFixFlat</apiname></xref>, <xref href="GUID-EE7C55C7-9CB2-3EE8-869C-8283B6723D5C.dita"><apiname>CArrayFixSeg</apiname></xref> and <xref href="GUID-E9669326-3E63-3E66-BC99-F6BF08F26BA4.dita"><apiname>CArrayFixFlat&lt;TAny&gt;</apiname></xref>. It is caused when the record length is either negative or zero. </p> <p>The

record length is either explicitly specified as in the case of the <xref href="GUID-E9669326-3E63-3E66-BC99-F6BF08F26BA4.dita"><apiname>CArrayFixFlat&lt;TAny&gt;</apiname></xref> class

or is implied by the length of the template class as in the case of the <xref href="GUID-12C65B99-553E-35CA-B36F-2F77BFC972B3.dita"><apiname>CArrayFixFlat</apiname></xref> class. </p> </entry>

</row>

<row>

<entry><p> <codeph>18</codeph>  </p> </entry>

<entry><p>This panic is raised by the constructors of arrays of fixed length

objects as represented, for example, by the classes: <xref href="GUID-12C65B99-553E-35CA-B36F-2F77BFC972B3.dita"><apiname>CArrayFixFlat</apiname></xref> and <xref href="GUID-EE7C55C7-9CB2-3EE8-869C-8283B6723D5C.dita"><apiname>CArrayFixSeg</apiname></xref>.

It is caused when the granularity passed to the constructors is either negative

or zero. </p> </entry>

</row>

<row>

<entry><p> <codeph>19</codeph>  </p> </entry>

<entry><p>This panic is raised by the constructors of arrays of variable length

objects as represented, for example, by the classes: <xref href="GUID-5BC7EAFE-FC9C-3E86-BFDC-FDE9FE086D53.dita"><apiname>CArrayVarFlat</apiname></xref> and <xref href="GUID-35439B46-B078-3B9F-9199-CC8F8DD4C1DB.dita"><apiname>CArrayVarSeg</apiname></xref>.

It is caused when the granularity passed to the constructors is either negative

or zero. </p> </entry>

</row>

<row>

<entry><p> <codeph>20</codeph>  </p> </entry>

<entry><p>This panic is raised by the constructors of packed arrays as represented,

for example, by the class <xref href="GUID-4D6E6B46-32B5-34AD-BD8A-84BF6B2B7C81.dita"><apiname>CArrayPakFlat</apiname></xref>. It is caused when

the granularity passed to the constructors is either negative or zero. </p> </entry>

</row>

<row>

<entry><p> <codeph>21</codeph>  </p> </entry>

<entry><p>This panic is raised by any operation which accesses an element

of an array by explicit reference to an index number, for example, the <codeph>Delete()</codeph>, <codeph>InsertL()</codeph> and <codeph>At()</codeph> member functions or the operator <codeph>Operator[]</codeph>. It is caused

by specifying an index value which is either negative or is greater than or

equal to the number of objects currently within the array. </p> </entry>

</row>

<row>

<entry><p> <codeph>22</codeph>  </p> </entry>

<entry><p>This panic is raised when deleting contiguous elements from an array

of fixed length objects (derived from <xref href="GUID-B0159EFA-B76E-3C59-8B35-42CC93DAF0FF.dita"><apiname>CArrayFixBase</apiname></xref>) using

the <codeph>Delete()</codeph> member function. It is caused by specifying

the number of contiguous elements as a zero or negative value. </p> </entry>

</row>

<row>

<entry><p> <codeph>23</codeph>  </p> </entry>

<entry><p>This panic is raised when inserting contiguous elements into an

array of fixed length objects (derived from <xref href="GUID-B0159EFA-B76E-3C59-8B35-42CC93DAF0FF.dita"><apiname>CArrayFixBase</apiname></xref>)

using the <codeph>InsertL()</codeph> member function. It is caused by specifying

the number of contiguous elements as a zero or negative value. </p> </entry>

</row>

<row>

<entry><p> <codeph>24</codeph>  </p> </entry>

<entry><p>This panic is raised when resizing an array of fixed length objects

(derived from <xref href="GUID-B0159EFA-B76E-3C59-8B35-42CC93DAF0FF.dita"><apiname>CArrayFixBase</apiname></xref>) using the <codeph>ResizeL()</codeph> member

function. It is caused by specifying the number of contiguous elements as

a zero or negative value. </p> </entry>

</row>

<row>

<entry><p> <codeph>25</codeph>  </p> </entry>

<entry><p>This panic is raised when deleting contiguous elements from an array

of variable length objects (derived from <xref href="GUID-1BA1D5FF-BE4A-3EA5-9784-ADEA1B81EF39.dita"><apiname>CArrayVarBase</apiname></xref>)

using the <codeph>Delete()</codeph> member function. It is caused by specifying

the number of contiguous elements as a zero or negative value. </p> </entry>

</row>

<row>

<entry><p> <codeph>26</codeph>  </p> </entry>

<entry><p>This panic is raised when deleting contiguous elements from a packed

array (derived from <xref href="GUID-800D79F0-D735-3AC5-BDFD-F1E7B8C37B99.dita"><apiname>CArrayPakBase</apiname></xref>) using the <codeph>Delete()</codeph> member

function. It is caused by specifying the number of contiguous elements as

a zero or negative value. </p> </entry>

</row>

<row>

<entry><p> <codeph>27</codeph>  </p> </entry>

<entry><p>This panic is raised when reserving space in flat arrays of fixed

length objects, (the <xref href="GUID-12C65B99-553E-35CA-B36F-2F77BFC972B3.dita"><apiname>CArrayFixFlat</apiname></xref>,<xref href="GUID-E9669326-3E63-3E66-BC99-F6BF08F26BA4.dita"><apiname>CArrayFixFlat&lt;TAny&gt;</apiname></xref> and <xref href="GUID-FCE7D958-96AA-346D-8D22-0EF24B9DB7CC.dita"><apiname>CArrayPtrFlat</apiname></xref> classes

) using the <codeph>SetReserveL()</codeph> member function. It is caused by

specifying the number of elements, for which space is to be reserved, as less

than the current number of elements in the array. </p> </entry>

</row>

<row>

<entry><p> <codeph>28</codeph>  </p> </entry>

<entry><p>This panic is raised when inserting or appending replicated elements

to the arrays of fixed length objects <xref href="GUID-12C65B99-553E-35CA-B36F-2F77BFC972B3.dita"><apiname>CArrayFixFlat</apiname></xref> and <xref href="GUID-EE7C55C7-9CB2-3EE8-869C-8283B6723D5C.dita"><apiname>CArrayFixSeg</apiname></xref> using

the <codeph>InsertL()</codeph> or <codeph>AppendL()</codeph> functions. It

is caused by specifying the number of replicas as negative or zero. </p> </entry>

</row>

<row>

<entry><p> <codeph>29</codeph>  </p> </entry>

<entry><p>This panic is raised when deleting elements from a fixed length,

variable length or packed array (derived from <xref href="GUID-B0159EFA-B76E-3C59-8B35-42CC93DAF0FF.dita"><apiname>CArrayFixBase</apiname></xref>, <xref href="GUID-1BA1D5FF-BE4A-3EA5-9784-ADEA1B81EF39.dita"><apiname>CArrayVarBase</apiname></xref> and <xref href="GUID-800D79F0-D735-3AC5-BDFD-F1E7B8C37B99.dita"><apiname>CArrayPakBase</apiname></xref>) using the <codeph>Delete()</codeph> function. It is caused when the specification

of the position of the first element to be deleted and the number of contiguous

elements to be deleted refers to elements which are outside the bounds of

the array. </p> </entry>

</row>

<row>

<entry><p> <codeph>30</codeph>  </p> </entry>

<entry><p>This panic is raised when inserting into, appending onto, expanding

or extending a variable length array or a packed array (i.e. arrays derived

from <xref href="GUID-C2430ABF-D276-3F70-A18B-7059F3099BF1.dita"><apiname>CArrayVar</apiname></xref> or <xref href="GUID-899495E6-C20E-3614-A3A9-C49A7916E5E7.dita"><apiname>CArrayPak</apiname></xref>) using the <codeph>InsertL()</codeph>, <codeph>AppendL()</codeph>, <codeph>ExpandL()</codeph> or <codeph>ExtendL()</codeph> functions respectively. It is caused by specifying

the length of the element as a negative value. </p> </entry>

</row>

<row>

<entry><p> <codeph>33</codeph>  </p> </entry>

<entry><p>This panic is raised by the destructor of a <xref href="GUID-9230EF62-376A-389C-B720-7C1EDCB7EA97.dita"><apiname>CObject</apiname></xref>.

It is caused, if an attempt is made to delete the <xref href="GUID-9230EF62-376A-389C-B720-7C1EDCB7EA97.dita"><apiname>CObject</apiname></xref> when

the reference count is not zero. </p> </entry>

</row>

<row>

<entry><p> <codeph>34</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Close()</codeph> member function

of a <xref href="GUID-9230EF62-376A-389C-B720-7C1EDCB7EA97.dita"><apiname>CObject</apiname></xref>. It is caused, if the reference count is negative. </p> </entry>

</row>

<row>

<entry><p> <codeph>35</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Remove()</codeph> member function

of an object container, a <xref href="GUID-DE901A59-C714-356A-9490-C4E9C9F186DB.dita"><apiname>CObjectCon</apiname></xref>. It is caused when

the <xref href="GUID-9230EF62-376A-389C-B720-7C1EDCB7EA97.dita"><apiname>CObject</apiname></xref> to be removed from the container is not contained

by the container. </p> </entry>

</row>

<row>

<entry><p> <codeph>36</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Remove()</codeph> member function

of a container index, a <xref href="GUID-72761B3C-ECB6-34B2-87ED-C972E479357A.dita"><apiname>CObjectConIx</apiname></xref>. It is caused when

the object container, a <xref href="GUID-DE901A59-C714-356A-9490-C4E9C9F186DB.dita"><apiname>CObjectCon</apiname></xref>, to be removed from

the index is not contained by the index. </p> </entry>

</row>

<row>

<entry><p> <codeph>37</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Remove()</codeph> member function

of an object index, a <xref href="GUID-70824EE4-9E01-3AC0-9318-4B521A1FDD5E.dita"><apiname>CObjectIx</apiname></xref>. It is caused when the

handle passed to the <codeph>Remove()</codeph> function does not represent

a <xref href="GUID-9230EF62-376A-389C-B720-7C1EDCB7EA97.dita"><apiname>CObject</apiname></xref> known to the object index. </p> </entry>

</row>

<row>

<entry><p> <codeph>38</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>At()</codeph>, <codeph>FindByName()</codeph> and <codeph>FindByFullName()</codeph> member

functions of an object container, a <xref href="GUID-DE901A59-C714-356A-9490-C4E9C9F186DB.dita"><apiname>CObjectCon</apiname></xref>. It is caused

when the unique ID as derived from the handle is not the same as the unique

ID held by the object container. </p> </entry>

</row>

<row>

<entry><p> <codeph>39</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>At()</codeph> member function

of an object container, a <xref href="GUID-DE901A59-C714-356A-9490-C4E9C9F186DB.dita"><apiname>CObjectCon</apiname></xref>. It is caused when

the index represented by the handle is outside the permitted range. In effect,

the handle is bad. </p> </entry>

</row>

<row>

<entry><p> <codeph>40</codeph>  </p> </entry>

<entry><p>This panic is raised by the destructor of an active object, a <xref href="GUID-067293BF-B28C-3CEC-92F4-1351A795EA7F.dita"><apiname>CActive</apiname></xref>.

It is caused by an attempt to delete the active object while it still has

a request outstanding. </p> </entry>

</row>

<row>

<entry><p> <codeph>41</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Add()</codeph> member function

of an active scheduler, a <xref href="GUID-B4C76104-EA1B-3FC3-A31E-86A976598171.dita"><apiname>CActiveScheduler</apiname></xref>. It is caused

by an attempt to add an active object to the active scheduler when it has

already been added to the active scheduler </p> </entry>

</row>

<row>

<entry><p> <codeph>42</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>SetActive()</codeph> member

function of an active object, a <xref href="GUID-067293BF-B28C-3CEC-92F4-1351A795EA7F.dita"><apiname>CActive</apiname></xref>. It is caused by

an attempt to flag the active object as active when it is already active,

i.e. a request is still outstanding. </p> </entry>

</row>

<row>

<entry><p> <codeph>43</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Install()</codeph> member function

of an active scheduler, a <xref href="GUID-B4C76104-EA1B-3FC3-A31E-86A976598171.dita"><apiname>CActiveScheduler</apiname></xref>. It is caused

by attempting to install this active scheduler as the current active scheduler

when there is already a current active scheduler; i.e. an active scheduler

has already been installed. </p> </entry>

</row>

<row>

<entry><p> <codeph>44</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Start()</codeph>, <codeph>Stop()</codeph> and <codeph>Add()</codeph> member

functions of an active scheduler, a <xref href="GUID-B4C76104-EA1B-3FC3-A31E-86A976598171.dita"><apiname>CActiveScheduler</apiname></xref>. It

is raised when the thread has no attached active scheduler </p> </entry>

</row>

<row>

<entry><p> <codeph>45</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Stop()</codeph> member function

of an active scheduler, a <xref href="GUID-B4C76104-EA1B-3FC3-A31E-86A976598171.dita"><apiname>CActiveScheduler</apiname></xref>. Calling <codeph>Stop()</codeph> terminates

the wait loop started by the most recent call to <codeph>Start()</codeph>.

The panic is caused by a call to <codeph>Stop()</codeph> which is not matched

by a corresponding call to <codeph>Start()</codeph>. </p> </entry>

</row>

<row>

<entry><p> <codeph>46</codeph>  </p> </entry>

<entry><p>This panic is raised by an active scheduler, a <xref href="GUID-B4C76104-EA1B-3FC3-A31E-86A976598171.dita"><apiname>CActiveScheduler</apiname></xref>.

It is caused by a stray signal. </p> </entry>

</row>

<row>

<entry><p> <codeph>47</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Error()</codeph> virtual member

function of an active scheduler, a <xref href="GUID-B4C76104-EA1B-3FC3-A31E-86A976598171.dita"><apiname>CActiveScheduler</apiname></xref>. This

function is called when an active object’s <codeph>RunL()</codeph> function

leaves. Applications always replace the <codeph>Error()</codeph> function

in a class derived from <codeph>CActiveScheduler</codeph>; the default behaviour

provided by <codeph>CActiveScheduler</codeph> raises this panic. </p> </entry>

</row>

<row>

<entry><p> <codeph>48</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Add()</codeph> member function

of an active scheduler, a <xref href="GUID-B4C76104-EA1B-3FC3-A31E-86A976598171.dita"><apiname>CActiveScheduler</apiname></xref>, when a NULL

pointer is passed to the function. </p> </entry>

</row>

<row>

<entry><p> <codeph>49</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>SetActive()</codeph> and <codeph>Deque()</codeph> member

functions of an active object, a <xref href="GUID-067293BF-B28C-3CEC-92F4-1351A795EA7F.dita"><apiname>CActive</apiname></xref>. It is raised

if the active object has not been added to the active scheduler. </p> </entry>

</row>

<row>

<entry><p> <codeph>50</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>SetPriority()</codeph> member

function of an active object, a <xref href="GUID-067293BF-B28C-3CEC-92F4-1351A795EA7F.dita"><apiname>CActive</apiname></xref>. It is caused by

an attempt to change the priority of the active object while it is active,

i.e. while a request is outstanding). </p> </entry>

</row>

<row>

<entry><p> <codeph>51</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>At()</codeph>, <codeph>After()</codeph> and <codeph>Lock()</codeph> member

functions of the <xref href="GUID-5733DF34-5B54-3044-BBED-3BFECB7ACE7A.dita"><apiname>CTimer</apiname></xref> active object. It is caused by

an attempt to request a timer event when the <codeph>CTimer</codeph> active

object has not been added to the active scheduler. </p> </entry>

</row>

<row>

<entry><p> <codeph>52</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Start()</codeph> member function

of the periodic timer active object, a <xref href="GUID-3CECC9FC-58C1-3117-AAF2-FDF88341F56F.dita"><apiname>CPeriodic</apiname></xref>, when

a negative time interval is passed to the function. </p> </entry>

</row>

<row>

<entry><p> <codeph>53</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Start()</codeph> member function

of the periodic timer active object, a <xref href="GUID-3CECC9FC-58C1-3117-AAF2-FDF88341F56F.dita"><apiname>CPeriodic</apiname></xref>, when

a negative delay time interval is passed to the function. </p> </entry>

</row>

<row>

<entry><p> <codeph>54</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>RunL()</codeph> member function

of the <xref href="GUID-D75692B1-FB2C-3893-9CF1-33BD02BBC63F.dita"><apiname>CServer</apiname></xref> active object base class responsible for

handling asynchronous requests from a client thread when the client passes

a negative function code in <xref href="GUID-41A02456-A7A6-3357-9031-A80BF7320D5E.dita"><apiname>RMessage</apiname></xref>. The only negative

values permitted are RMessage::EConnect and RMessage::EDisConnect. </p> </entry>

</row>

<row>

<entry><p> <codeph>55</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Start()</codeph> member function

of the <xref href="GUID-D75692B1-FB2C-3893-9CF1-33BD02BBC63F.dita"><apiname>CServer</apiname></xref> active object base class responsible for

handling asynchronous requests from a client thread. It is caused by the server

having no name. </p> </entry>

</row>

<row>

<entry><p> <codeph>56</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>New()</codeph> and <codeph>NewL()</codeph> member

functions of <codeph>CBitMapAllocator</codeph> when a negative or zero size

is passed to them. </p> </entry>

</row>

<row>

<entry><p> <codeph>57</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>Free(TInt aPos)</codeph> member

function of <codeph>CBitMapAllocator</codeph> when a position value is passed

which is out of bounds. </p> </entry>

</row>

<row>

<entry><p> <codeph>58</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>IsFree(TInt aPos)</codeph> member

function of <codeph>CBitMapAllocator</codeph> when a position value is passed

which is out of bounds. </p> </entry>

</row>

<row>

<entry><p> <codeph>59</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>AllocFromTopFrom(TInt      

          aPos)</codeph> member function of <codeph>CBitMapAllocator</codeph> when

a position value is passed which is out of bounds. </p> </entry>

</row>

<row>

<entry><p> <codeph>62</codeph>  </p> </entry>

<entry><p>This panic is raised by the <codeph>AllocAt()</codeph> member function

of <codeph>CBitMapAllocator</codeph> when the implied position has already

been allocated. </p> </entry>

</row>

<row>

<entry><p> <codeph>63</codeph>  </p> </entry>

<entry><p>This panic is raised as a result of a call to the <codeph>Pop()</codeph> and <codeph>PopAndDestroy()</codeph> static

member functions of the <xref href="GUID-0DD554D7-B9B1-3FD3-898F-4D855144FCEA.dita"><apiname>CleanupStack</apiname></xref> class. The panic occurs

when TRAPs have been nested and an attempt is made to pop too many items from

the cleanup stack for the current nest level. </p> </entry>

</row>

<row>

<entry><p> <codeph>64</codeph>  </p> </entry>

<entry><p>This panic is raised as a result of a call to the <codeph>Pop()</codeph> and <codeph>PopAndDestroy()</codeph> static

member functions of the <xref href="GUID-0DD554D7-B9B1-3FD3-898F-4D855144FCEA.dita"><apiname>CleanupStack</apiname></xref> class. The panic occurs

when attempt is made to pop more items from the cleanup stack than are on

the cleanup stack. </p> </entry>

</row>

<row>

<entry><p> <codeph>65</codeph>  </p> </entry>

<entry><p>The panic is raised as a result of a call to the <codeph>Pop()</codeph> and <codeph>PopAndDestroy()</codeph> static

member functions of the <codeph>CleanupStack</codeph> class. The panic occurs

when an attempt is made to pop more items from the cleanup stack than are

on the cleanup stack. </p> </entry>

</row>

<row>

<entry><p> <codeph>66</codeph>  </p> </entry>

<entry><p>This panic is raised if an attempt is being made to insert a cleanup

item into a position on the cleanup stack reserved for marking the current <xref href="GUID-3F2CDC74-2568-371C-9D8E-34A66A619226.dita"><apiname>TRAP</apiname></xref> nest

level. In practice this error occurs if the call to <xref href="GUID-0DD554D7-B9B1-3FD3-898F-4D855144FCEA.dita#GUID-0DD554D7-B9B1-3FD3-898F-4D855144FCEA/GUID-91B57C35-E399-3191-AF15-D622822F32CA"><apiname>CleanupStack::PushL()</apiname></xref> happens

when there has been no call to <codeph>TRAP()</codeph>. </p> </entry>

</row>

<row>

<entry><p> <codeph>67</codeph>  </p> </entry>

<entry><p>This panic is raised when building a <codeph>TCleanupStackItem</codeph> which

is to be added to the cleanup stack. The building of the <codeph>TCleanupStackItem</codeph> needs

a <xref href="GUID-CD0A798E-7E42-3689-8E86-F5FD43C758FC.dita"><apiname>TCleanupItem</apiname></xref> and this has been constructed with a NULL

cleanup operation (a <xref href="GUID-804D5E7C-DABF-39CD-928E-6A053FB99D27.dita"><apiname>TCleanupOperation</apiname></xref>). </p> </entry>

</row>

<row>

<entry><p> <codeph>68</codeph>  </p> </entry>

<entry><p>This panic is raised if there are no free slots available on the

cleanup stack to insert a cleanup item </p> </entry>

</row>

<row>

<entry><p> <codeph>69</codeph>  </p> </entry>

<entry><p>This panic is raised if no trap handler has been installed. In practice,

this occurs if <xref href="GUID-17AC7BAD-1C03-3729-BCC6-F5B28B32E99D.dita"><apiname>CTrapCleanup</apiname></xref> <codeph>::New()</codeph> has

not been called before using the cleanup stack. </p> </entry>

</row>

<row>

<entry><p> <codeph>70</codeph>  </p> </entry>

<entry><p>This panic is raised as a result of a call to the versions of the <codeph>Pop()</codeph> and <codeph>PopAndDestroy()</codeph> static

member functions of the <xref href="GUID-0DD554D7-B9B1-3FD3-898F-4D855144FCEA.dita"><apiname>CleanupStack</apiname></xref> class which take an

explicit count of the items to be popped. The panic is caused by passing a

negative value for the number of items to be popped. </p> </entry>

</row>

<row>

<entry><p> <codeph>71</codeph>  </p> </entry>

<entry><p>This panic is raised when <xref href="GUID-3F2CDC74-2568-371C-9D8E-34A66A619226.dita"><apiname>TRAP</apiname></xref> s have been nested

and an attempt is made to exit from a <xref href="GUID-3F2CDC74-2568-371C-9D8E-34A66A619226.dita"><apiname>TRAP</apiname></xref> nest level before

all the cleanup items belonging to that level have been popped off the cleanup

stack. </p> <p>There must be the same number of items on the cleanup stack

on entering a <xref href="GUID-3F2CDC74-2568-371C-9D8E-34A66A619226.dita"><apiname>TRAP</apiname></xref> harness as there is on exiting. In other

words, anything that is pushed onto the cleanup stack inside a <xref href="GUID-3F2CDC74-2568-371C-9D8E-34A66A619226.dita"><apiname>TRAP</apiname></xref> harness

must be popped off before leaving the harness. </p> <p>For example, the following

code avoids this panic when <codeph>FooLC()</codeph> does not leave, by explicitly

popping <codeph>pointer</codeph> before the end of the harness: </p> <codeblock id="GUID-99CE059E-BE03-59C2-840E-B69E0A4EFA62" xml:space="preserve">TRAPD(error, pointer = FooLC(); CleanupStack::Pop(pointer));</codeblock> <p>See

also <xref href="GUID-3AD20E0C-F364-533F-9FBC-227478CA9982.dita">How to use TRAP</xref>. </p> </entry>

</row>

<row>

<entry><p> <codeph>72</codeph>  </p> </entry>

<entry><p>This panic is raised by the constructor of the circular buffer base

class, a <xref href="GUID-FA17C8AD-BF8C-3FD4-98AE-43AF55A9D318.dita"><apiname>CCirBufBase</apiname></xref>, when the size value passed is zero

or negative. </p> </entry>

</row>

<row>

<entry><p> <codeph>73</codeph>  </p> </entry>

<entry><p>This panic is raised by a call to the <codeph>SetLengthL()</codeph> member

function of of the circular buffer base class, a <xref href="GUID-FA17C8AD-BF8C-3FD4-98AE-43AF55A9D318.dita"><apiname>CCirBufBase</apiname></xref>,

by passing a length value which is zero or negative. </p> </entry>

</row>

<row>

<entry><p> <codeph>74</codeph>  </p> </entry>

<entry><p>This panic is raised by a call to the <codeph>Add()</codeph> member

function of a circular buffer, a <xref href="GUID-1D73835F-4361-3216-8EFC-669364E3F5E7.dita"><apiname>CCirBuf</apiname></xref> when the pointer

to the item to be added is NULL. </p> </entry>

</row>

<row>

<entry><p> <codeph>75</codeph>  </p> </entry>

<entry><p>This panic is raised by a call to the <codeph>Add()</codeph> member

function of a circular buffer, a <xref href="GUID-1D73835F-4361-3216-8EFC-669364E3F5E7.dita"><apiname>CCirBuf</apiname></xref> when the number

of items to be added is zero or negative </p> </entry>

</row>

<row>

<entry><p> <codeph>76</codeph>  </p> </entry>

<entry><p>This panic is raised by a call to the <codeph>Remove()</codeph> member

function of a circular buffer, a <xref href="GUID-1D73835F-4361-3216-8EFC-669364E3F5E7.dita"><apiname>CCirBuf</apiname></xref> when the number

of items to be removed is zero or negative. </p> </entry>

</row>

<row>

<entry><p> <codeph>89</codeph>  </p> </entry>

<entry><p>Introduced in 6.0: This panic is raised by call to the <codeph>Replace()</codeph> member

function of <xref href="GUID-B4C76104-EA1B-3FC3-A31E-86A976598171.dita"><apiname>CActiveScheduler</apiname></xref> when the replacement active

scheduler is the same as the existing active scheduler. </p> </entry>

</row>

<row>

<entry><p> <codeph>90</codeph>  </p> </entry>

<entry><p>Introduced in 6.0: The panic is raised as a result of a call to

the <codeph>Pop()</codeph> and <codeph>PopAndDestroy()</codeph> static member

functions of the <codeph>CleanupStack</codeph> class. The panic occurs when

an the item to be popped is not the expected item. </p> </entry>

</row>

<row>

<entry><p> <codeph>91</codeph>  </p> </entry>

<entry><p>This panic is raised by <xref href="GUID-4F74C605-1F32-33C6-82A3-60259E6C73B3.dita#GUID-4F74C605-1F32-33C6-82A3-60259E6C73B3/GUID-F1EDF50B-E91B-3141-9CE1-F76458A97022"><apiname>CActiveSchedulerWait::Start()</apiname></xref> when