Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-05-01T12:51:04","request-id":"75991ed8-1574-4525-ac36-d3d86dab2712","client-request-id":"75991ed8-1574-4525-ac36-d3d86dab2712"}}}"