Oracle® Database 11g / 12c / 18c error codes ORA-01204: file number is [string] rather than [string] - wrong file

ORA-01204: file number is [string] rather than [string] - wrong file

Oracle Error Code: ORA-01204

Cause: The file number in the file header is not correct. This is probably a restored backup of the wrong file, but from the same database.

Action: Restore a copy of the correct data file and do recovery as needed.