Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-12-07T22:34:11","request-id":"2f806cc5-5293-4510-9546-e4826bf18813","client-request-id":"2f806cc5-5293-4510-9546-e4826bf18813"}}}"