Oracle® Database 8i | 9i | 10g | 11g | 12c | 18c | 19c Error Codes
Information for Database Error Code ORA-01256: error in locking database file [string]
ORA-01256: error in locking database file [string]
Cause: The file is in use by another database instance.
Action: Determine which database instance legitimately owns the file.
Error Type: ORA
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