-831 0xFFFFFCC1   NDPS E SESSION NOT FOUND

Source:  NDPS, NDPS Manager NLM program

Explanation:  The NDPS Manager could not find a client session for the client making a service request.

Possible Cause:  The client has not performed a bind operation or the client connection has been lost at the server.

Action:  If the error persists, contact a Novell Support Provider.