<h1>HTTP-CORE</h1>
<p>
Transport Framework Client panics.
</p>
<code>0</code>
<p><code>RHTTPSession</code> session is already open.
</p>
<code>1</code>
<p>
Specified header field is missing.
</p>
<code>2</code>
<p>
Unused.
</p>
<code>3</code>
<p>
Unused.
</p>
<code>4</code>
<p>
Mismatch between header's type and its attempted use.
</p>
<code>5</code>
<p>
Unused.
</p>
<code>6</code>
<p>
A transaction error occurred, and the <code>MHFRunError()</code> in use didn't handle it.
</p>
<code>7</code>
<p>
Attempted to add a filter while there is a transaction outstanding.
</p>
<code>8</code>
<p>
Attempted to add a filter at a position not between the
protocol handler and the client.
</p>
<code>9</code>
<p><code>CHTTPEncoder</code> object destroyed without its data
being released.
</p>
<code>10</code>
<p><code>CHTTPEncoder</code> object at the wrong state for adding
data.
</p>
<code>11</code>
<p>
Unused.
</p>
<code>12</code>
<p>
Invalid request data.
</p>
<code>13</code>
<p>
Invalid response data.
</p>
<code>14</code>
<p>
Unused.
</p>
<code>15</code>
<p>
Unused.
</p>
<code>16</code>
<p>
An invalid filter handle was specified.
</p>