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ORA-01552:

cannot use system rollback segment for non-system tablespace 'string'
Cause: Tried to use the system rollback segment for operations involving non-system tablespace. If this is a clone database then this will happen when attempting any data modification outside of the system tablespace. Only the system rollback segment can be online in a clone database.
Action: Create one or more private/public segment(s), shutdown and then startup again. May need to modify the INIT.ORA parameter rollback_segments to acquire private rollback segment. If this is a clone database being used for tablspace point in time recovery then this operation is not allowed. If the non-system tablespace has AUTO segment space management, then create an undo tablespace.
 SubjectReplies
1.Investigating ORA-01552 / ORA-00376 errors2
2.truncate ORA-015521
3.truncate ORA-015521