ORA-30016: undo tablespace '[string]' is already in use by this instance

Cause: the specified undo tablespace is currently used by this instance. The operation failed.

Action: If the specified undo tablespace name is wrong, reissue the statement with the correct name.

Error Type: ORA

• Additional information for ORA-30016: undo tablespace '[string]' is already in use by this instance30016
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