ORA-01251: Unknown File Header Version read for file number string
Cause: Read of the file header returned a record but its version cannot be identified. Either the header has been corrupted, or the file is not a valid database file.
Action: Have the operating system make the correct file available to the database, or recover the file.
Cause: Read of the file header returned a record but its version cannot be identified. Either the header has been corrupted, or the file is not a valid database file.
Action: Have the operating system make the correct file available to the database, or recover the file.
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