Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-04-11T18:42:32","request-id":"fe9fcfd6-c472-410c-8e90-6c96f9305bd1","client-request-id":"fe9fcfd6-c472-410c-8e90-6c96f9305bd1"}}}"