Source: GroupWise Check utility (GWCheck).
Explanation: GWCheck cannot add a message as a sent item in a user's mailbox.
Action: Perform a structural analyze/fix on the user's message database by supplying the name of the message database in the User/Resource field. See "Maintaining User/Resource and Message Databases" in "Databases" in the GroupWise 6.5 Administration Guide.
Action: For additional information, look up the associated engine error code in GroupWise Engine Error Codes.