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Oracle® Database 11g / 12c / 18c error codes ORA-00229: operation disallowed: already hold snapshot control file enqueue
ORA-00229: operation disallowed: already hold snapshot control file enqueue
Oracle Error Code: ORA-00229
Cause: The attempted operation cannot be executed at this time because this process currently holds the snapshot control file enqueue.
Action: Retry the operation after calling cfileUseCurrent to release the snapshot control file enqueue.