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Oracle® Database 11g / 12c / 18c error codes ORA-00240: control file enqueue held for more than [string] seconds
ORA-00240: control file enqueue held for more than [string] seconds
Oracle Error Code: ORA-00240
Cause: The current process did not release the control file enqueue within the maximum allowed time.
Action: Reissue any commands that failed and contact Oracle Support Services with the incident information.