Oracle : Ошибка ORA-28165

28165, 0000, "proxy '%s' may not specify password-protected role '%s' for client '%s'"
*Cause: A proxy user attempted to activate a role on behalf of a client
which has a password associated with it. Since the proxy does not
have a password, this activation cannot be allowed.
*Action: Attempt to activate a different role or change the role
administratively so that there is no password.

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