能具体说明执行什么操作导致的错误吗?
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Cause: An attempt was made 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), shut down and restart. May need to modify the initialization parameter ROLLBACK_SEGMENTS to acquire private rollback segment. If this is a clone database being used for tablespace point in time recovery then this operation is not allowed.