ORA-39155: error expanding dump file name "string"

ORA-39155
ORA-39155: error expanding dump file name "string"
Cause: Export was unable to expand the directory object and dump file name into
a full file name. Subsequent messages will detail the problems.
Action: Fix the problems outlined in the secondary messages.
More details : Viste http://www.high-oracle/ora-39155/
More details : Viste http://www.high-oracle/ora-39155/
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