ORA-28157: Proxy user 'string' forbidden

admin

ORA-28157: Proxy user 'string' forbidden to set role 'string' for client 'string'
Cause: A proxy user wasforbidden to use a role on behalf of a client through the
command ALTER USER <client> GRANT CONNECT THROUGH <proxy> WITH
ALL ROLES EXCEPT <role>
Action: Execute the commandALTER USER <client> GRANT CONNECT
THROUGH PROXY <proxy> to grant the needed role.