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SAP SQL Anywhere, on-demand edition 1.0 SP 6 » Troubleshooting and additional resources » Errors sorted by error code

DBCLOUDERR_DBC_CANNOT_DROP

The database "%1!" cannot be restored from a backup while the database copy "%2!" cannot be dropped (in state "%3!"/"%4!")

Parameter 1 The database that cannot be restored.
Parameter 2 The database copy that prevents restoration.
Parameter 3 The expected status of the object.
Parameter 4 The current status of the object.
Code -20421
Probable cause

A database can be restored from backup only when all of the database copies can be dropped. A running database copy cannot be dropped. Ensure the database copy can be dropped and drop the database copy, or forget the database copy if it cannot be dropped, then run the RestoreBackup task again.