Answer / guest

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.

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