# AppManager Service API error messages

This section provides information about the error messages returned by the AppManager Service API methods.

### GetList

The following table describes the error messages returned by `GetList` as part of its return value.

Table: GetList error messages
Error message | Description
--- | ---
`AppManager : GetList : Typ eMissing` | This indicates that the `Type` property is missing from the input or that the type of the `Type` property is incorrect.
`AppManager : GetList : Filter type mismatch` | This indicates that the type of the `Filter` property is incorrect.
`AppManager : GetList: Asynchronous version of API is not supported` | This indicates that the asynchronous version of `GetList` method was called but it is not supported.

### LaunchApp

The following table describes the error messages returned by `LaunchApp` and `callback` for `LaunchApp` as part of its return value.

Table: LaunchApp error messages
Error message | Description
--- | ---
`AppManager : LaunchApp : Application ID Missing` | This indicates that `ApplicationID` property is missing from the input or the type is incorrect.
`AppManager : LaunchApp : Command Line type mismatch` | This indicates that the type of the `CndLine` property is incorrect.
`AppManager : LaunchApp : OptionMap type mismatch` | This indicates that the type of the `Options` property is incorrect.

### LaunchDoc

The following table describes the error messages returned by `LaunchDoc` and `callback` for `LaunchDoc` as part of its return value.

Table: LaunchDoc error messages
Error message | Description
--- | ---
`AppManager : LaunchDoc : Document/MimeType Missing or datatype mismatch` | This indicates that the `Document`/`MimeType` property is missing from the input or the type is incorrect.
`AppManager : LaunchDoc : OptionMap type mismatch` | This indicates that the type of the `Options` property is incorrect.

### Cancel

The following table describes the error messages returned by `Cancel` as part of its return value.

Table: Cancel error messages
Error message | Description
--- | ---
`AppManager : Cancel: Invalid Transaction ID` | This indicates that either an invalid `TransactionID` was passed or an asynchronous call associated with this ID has already been completed.
`AppManager : Cancel: Missing Transaction ID` | This indicates that the `TransactionID` property is missing from the input.