Oracle Solution for Error ora-39081

Solution for Oracle Error ORA-39081

ORA-39081: failed to unsubscribe agent string from queue "string

"

What triggered the Error:

The Data Pump's communication layer was unable to unsubscribe a process from the control or status queue. Subsequent messages will detail the problem.

What should we do to fix it:

Fix the problem if possible, or contact Oracle Customer Support.