Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-01-13T02:59:11","request-id":"a3dc360b-3f02-446c-a103-42bfd53ec57a","client-request-id":"a3dc360b-3f02-446c-a103-42bfd53ec57a"}}}"