ORA-28165

Error: ORA-28165: proxy 'string' may not specify password-protected role 'string' for client 'string'

Causa: 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.

Acción: Attempt to activate a different role or change the role administratively so that there is no password.