Message Oracle KUP-11021 - header in file string has an incompatible version number

ERRORheader in file string has an incompatible version number
CAUSEA dump file was specified for a load operation whose version number is incompatible with the dump file version currently produced by the Oracle server on the system. Usually this message indicates that the dump file was produced by a newer version of the Oracle server.
ACTIONLoad this dump file using the same version of the Oracle server that created the file.