📅 Vérification Free Slots M365

🔄 Lancement de get_free_slots.php...

🔄 Renouvellement du token Microsoft 365...
❌ Erreur renouvellement: HTTP 401: {"error":"invalid_client","error_description":"AADSTS7000222: The provided client secret keys for app '60a70afb-7fd0-400c-b133-089f5243edca' are expired. Visit the Azure portal to create new keys for your app: https://aka.ms/NewClientSecret, or consider using certificate credentials for added security: https://aka.ms/certCreds. Trace ID: b670e924-5ae1-4208-b6b1-da2d76bc0400 Correlation ID: 259ac99e-9a6e-485e-bf82-53dfa0454060 Timestamp: 2026-04-21 13:30:57Z","error_codes":[7000222],"timestamp":"2026-04-21 13:30:57Z","trace_id":"b670e924-5ae1-4208-b6b1-da2d76bc0400","correlation_id":"259ac99e-9a6e-485e-bf82-53dfa0454060","error_uri":"https://login.microsoftonline.com/error?code=7000222"}