ORA-28156: Proxy user 'string' not authorized to set role
'string' for client 'string'



ORA-28156: Proxy user 'string' not authorized to set role 'string' for client &..

Answer / guest

Cause: A proxy user has not been granted the right to use a
role on behalf of a client.

Action: Execute the command ALTER USER <client> GRANT
CONNECT THROUGH PROXY <proxy> to grant the needed role.

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