Generator internal error while processing the Adobe Flex/AMF request. This error code covers all the errors that may occur while preparing an Adobe Flex/AMF request prior to it being sent to the server. The most common error is caused when NeoLoad attempts to play back an Adobe Flex / AMF request that was incorrectly converted to XML format during recording, and has not been repaired. To fix the problem, see Adobe Flex/AMF: Handle external libraries.