ORA-31666: Master process string had an

admin

ORA-31666: Master process string had an unhandled exception.
Cause: A Data Pump processmodel master process had an unhandled exception
condition.
Action: Refer to anyfollowing error messages for possible actions. Check the trace
log for the failed process to see if there is any information about thefailure.
Correct the error, if possible, and try the operation again. If the erroroccurs again,
contact Oracle Customer Support and report the error.