issue : AADSTS70002: The provided request must include a 'client_secret' input parameter

[Illeris]

AADSTS70002: The provided request must include a 'client_secret' input parameter.
Trace ID: bc28a980-f9cc-4e11-b7df-627968a81f00
Correlation ID: 9e444f5f-e258-4a69-b066-6f0251aca367
Timestamp: 2020-02-14 12:13:21Z

[jmprieur]

Did you get this issue on the client? or the service, @Illeris ?
If this is on the client, did you check "Default client Type" ?
https://docs.microsoft.com/en-us/azure/active-directory/develop/scenario-desktop-app-registration#redirect-uris