Problem: Database Operation Failed .
Possible Cause: Invalid request or user credentials unresolved.
Explanation: This state occurs when the system ceases to service requests because of a failure in the internal encryption process, or because the database is not initialized.
Action: Make sure NICI is properly installed and configured on the server side. Refer to the NICI Documentation for details. Also ensure that related objects and policies in the database are not corrupted. Restart the NAAS server.