Source: NDPS, Notification Service NLM program
Explanation: The ENS received an option that is not supported.
Possible Cause: The application you are running encountered a programming error. An application submitted a request using options not supported by this ENS.
Action: If the problem persists, contact the developer of the application.
If you are debugging a program, consult the SDK documentation to determine what options are supported by this version of the ENS.