How to fix the Oracle error ORA-31666: Master process string had an unhandled exception.?

In this post, you’ll learn more about the Oracle ErrorORA-31666: Master process string had an unhandled exception. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-31666: Master process string had an unhandled exception.

Reason for the Error ORA-31666: Master process string had an unhandled exception.

A Data Pump process model master process had an unhandled exception condition.

How to fix the Error ORA-31666: Master process string had an unhandled exception. ?

You can fix this error in Oracle by following the below steps

Refer to any following error messages for possible actions. Check the trace log for the failed process to see if there is any information about the failure. Correct the error, if possible, and try the operation again. If the error occurs again, contact Oracle Customer Support and report the error.