Oracle Error ORA-01251: Unknown File Header Version read for file number string

Oracle Error Message

ORA-01251: Unknown File Header Version read for file number string

Reason for the Error

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.

Solution

Have the operating system make the correct file available to the database, or recover the file.

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