This is the comprehensive list of error codes that can be returned by any LumenVox API call.
List of Error Codes
Description: No Error
Description: Speech Port not opened
Description: A system error was detected
Description: Port Reset
Description: Sound Data is bad.
Description: An invalid sound format was specified
Description: A time out occurred
Description: The specified grammar set is out of valid range.
Description: The specified sound channel is out of valid range.
Description: A default grammar has already been loaded for this grammar set
Description: Default grammar value not valid
Description: An invalid property value was specified
Description: A bad port handle was detected
Description: An attempt was made to call a function that is not currently implemented
Description: An error occurred with a communication socket
Description: An invalid property target was specified
Description: An invalid property value type was specified
Description: An invalid property id was specified
Description: An invalid property target ndx was specified
Description: Streaming finished, call StartStream() to reset
Description: Function not found in DLL
Description: String given was not large enough.
Description: Can not connect to any servers.
Description: Grammar compilation warning.
Description: Grammar compilation error.
Description: Can not load grammar from file.
Description: All available licenses are in use.
Description: The designated primary server is not responding or unavailable.
Description: The designated primary server's version is not compatible with this client.
Description: clsPort has not called OpenPort.
Description: No ASR server is responding.
Description: Global grammar transaction partial error.
Description: Global grammar transaction error.
Description: The vocabulary size of active grammar set exceeds the licensed limit.
Description: An invalid license was detected.
Description: There is a language conflict in the active grammar set.
Description: An invalid language was specified in the active grammar set.
Description: A grammar fetch timeout occurred
Description: An invalid dictionary language was specified
Description: Some of the words are not in the dictionary
Description: The LVLANG environment variable is not defined
Description: The specified ASR server cannot be used with the available license
Description: No ASR answers are available.
Description: An invalid index was specified.
Description: An invalid grammar label was specified.
Description: An invalid sound channel was specified.
Description: Invalid ASR event.
Description: An invalid buffer was detected
Description: An invalid grammar object was specified.
Description: Incompatible ASR server. Try updating to the latest version.
Description: An unknown error has occurred on the decode server.
Description: Invalid TTS handle (external). This is caused when attempting to use an invalid TTS handle.
Description: No TTS servers are available.
Description: Invalid internal object.
Description: One or more parameters to an API function is/are invalid.
Description: Either no TTS servers are active or none have the required capabilities needed to service the current request.
Description: SSML processing error.
Description: Returned whenever operations are performed before results become available.
Description: Could not obtain a license.
Description: Current license does not permit using the version of the TTS server.
Description: License maintenance expiry date is invalid. Please contact LumenVox support for assistance
Description: Failed to allocate certain resources on the server in an effort to complete the requested operation.
Description: Failed to load a required voice on the TTS server.
Description: No voices specified in request. At least one voice is needed to perform text-to-speech.
Description: Failed to instantiate the synthesis object on the TTS server.
Description: Actual synthesis itself failed on the TTS server.
Description: Resampling to the requested output sampling rate failed on the server.
Description: Conversion of the audio from the native form to the requested type failed on the server.
Description: An application exception occurred and was caught
Description: The selected function is currently disabled
Not all the error codes are implemented.