adb2c authentication in azure chatbot

Question

I am struggling to integrate adb2c authentication in azure chatbot. adb2c custom policies are working fine but when i use that in chatbot authentication it gives scope issue.

Any one has any experience in this area?

{
  "message": "Login failed",
  "statusCode": 400,
  "responseBody": "{\"error\":\"invalid_grant\",\"error_description\":\"AADB2C90085: The service has encountered an internal error. Please reauthenticate and try again.\\r\\nCorrelation ID: 07c9103e-11fe-4a3b-9272-ce72a5113aa5\\r\\nTimestamp: 2024-07-23 09:40:36Z\\r\\n\"}"
}