When PreProcessing a Team, you may encounter the following error:
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: AADSTS7000218: The request body must contain the following parameter: ‘client_assertion’ or ‘client_secret’.
The message notes also the Trace ID, Correlation ID, and Timestamp.
This is related to the Azure app configuration which is not complete.
The solution is to enable the “Allow Client Public Flow” option described in the following article: https://help.cloudiway.com/article/how-to-create-azure-apps-registration/