ORA-39160: error on whats my name call

ORA-39160
ORA-39160: error on whats my name call
Cause: Attempt to get the Data Pump process name failed.
Action: Refer to any following error messages for additional information. If this
error occurs from a Data Pump client (e.g. expdp or impdp), try the operation

19-44 Oracle Database Error Messages

again. If the error occurs again, contact Oracle Customer Support and report the
error.
More details : Viste http://www.high-oracle/ora-39160/
More details : Viste http://www.high-oracle/ora-39160/
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