-621 DUPLICATE DBID dbid WAS DETECTED AND PREVIOUSLY ASSIGNED TO database-name
Explanation
The current database being created was assigned a DBID of 'dbid', which is identical to the DBID assigned to database 'database-name'. An inconsistency exists between the DB2® catalog and directory.
System action
The statement cannot be processed. No new object was created, and the existing object was not altered or modified.
System programmer response
If you suspect an error in DB2, you might need to report the problem. For information about identifying and reporting the problem, see Collecting diagnostic data.
Programmer response
Notify the system programmer. The inconsistency must be corrected before CREATE DATABASE will be successful.
SQLSTATE
58001