Answer / guest

Cause: A role specified by a proxy user as an initial role
to be activated upon connecting on behalf of a client is
invalid.

Action: Connect again as the client specifying a valid role.

Please add more information about this Error

ORA-28102: policy does not exist

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ORA-23350: maximum number of recursive calls exceeded

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ORA-39141: dump file "string" is a duplicate of dump file "string"

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