3466924 - Invalid odata connection error when validating SF connection in Datasphere

SuccessFactors connection in Datasphere fails with the following error :

• Data Flows: Cause: Invalid odata connection! Getting odata metadata failed because of Failed to fetch OAuth2 token! Token endpoint response HTTP/1.1 500 Internal Server Error[{"code":"500 INTERNAL_SERVER_ERROR","message":"Details are hidden. Check the logs.","fieldName":null}]
  Remote Tables: Unable to connect remote source: exception 2520214: Failed to fetch OAuth2 access token: 'HttpClient.request: OAuth2 request failed with error:
  Response HTTP code: 500
  
  

• SAP Datasphere

SF, OAuth, ODATA, INTERNAL_SERVER_ERROR, OAuth2, connection, Datasphere , KBA , DS-DI-CON , Connections , Problem