Cursusinstantie · Mijn KNMV

A configuration issue is preventing authentication - check the error message from the server for details. You can modify the configuration in the application registration portal. See https://aka.ms/msal-net-invalid-client for details. Original exception: AADSTS700027: The certificate with identifier used to sign the client assertion is expired on application. [Reason - The key used is expired., Found key 'Start=06/18/2025 13:13:57, End=06/17/2026 13:13:54', Please visit the Azure Portal, Graph Explorer or directly use MS Graph to see configured keys for app Id '3c3332a7-d115-4272-9191-c0f0f13ac30c'. Review the documentation at https://docs.microsoft.com/en-us/graph/deployments to determine the corresponding service endpoint and https://docs.microsoft.com/en-us/graph/api/application-get?view=graph-rest-1.0&tabs=http to build a query request URL, such as 'https://graph.microsoft.com/beta/applications/3c3332a7-d115-4272-9191-c0f0f13ac30c']. Trace ID: 639a59d4-dfa6-4d72-9cb0-954faa201a00 Correlation ID: cc479d92-a779-4821-9cf7-abefcb281882 Timestamp: 2026-06-17 20:32:39Z