Source: GroupWise engine; database interface.
Explanation: Attempt to open a DOS file as a GroupWise database.
Possible Cause: The database is damaged.
Action: Check and, if necessary, repair the user database. See "Maintaining Domain and Post Office Databases" and "Maintaining User/Resource and Message Databases" in "Databases" in the GroupWise 6.5 Administration Guide.
Action: Run GWCheck. See "Standalone Database Maintenance Programs" in "Databases" in the GroupWise 6.5 Administration Guide.
Action: If a user database cannot be repaired, you can rename the existing user database, then recreate it. See "Re-creating a User Database" in "Databases" in the GroupWise 6.5 Administration Guide.
Action: If the database cannot be recreated, you must restore it from backup. See "Restoring GroupWise Databases from Backup" in "Databases" in the GroupWise 6.5 Administration Guide.