Source: NDPS, Notification Service NLM program
Explanation: The ENS was unable to save a change to the persistent notification registration database.
Possible Cause: The application you are running encountered a programming error. An application requesting the modification did not flag the modification as persistent while communicating with a public access printer.
Action: Make sure that the application requesting the modification is flagging the modification as persistent while communicating with a public access printer.
If the problem persists, contact the developer of the application.