Oracle® Database 11g / 12c / 18c error codes ORA-00225: expected size [string] of control file differs from actual size [string]
ORA-00225: expected size [string] of control file differs from actual size [string]
Oracle Error Code: ORA-00225
Cause: The expected size of the control file as stored in its header was different than the actual operating system file size. This usually indicates that the control file was corrupted.