ORA-39077: unable to subscribe agent string to queue "string"

ORA-39077
ORA-39077: unable to subscribe agent string to queue "string"
Cause: The Data Pump"s communication layer was unable to attach one of its
processes to the control or status queue. Subsequent messages will detail the
problem.
Action: Fix the problem if possible, or contact Oracle Customer Support.
More details : Viste http://www.high-oracle/ora-39077/
More details : Viste http://www.high-oracle/ora-39077/
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