Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-03-10T14:18:41","request-id":"d566cbff-296f-4526-bec4-7ecc8985384f","client-request-id":"d566cbff-296f-4526-bec4-7ecc8985384f"}}}"