Oracle Solution for Error ora-39021

ORA-39021: Database compatibility version string is not supported.

What triggered the Error:

User selected COMPATIBLE as the version on an DBMS_DATAPUMP.OPEN API, but the current database compatibility version is not supported by the Data Pump API. Database versions before 9.2 are not supported by the Data Pump.

What should we do to fix it:

Specify a supported version and recreate the job.