AuthenticationSubscription API returns "null" if user data is not found
Issue
- When querying an authentication subscription that does not exist, UDR returns "null" instead of
ProblemDetails
.
How to reproduce
curl --location --request DELETE 'http://192.168.70.186:80/nudr-dr/v1/subscription-data/208950000000031/authentication-data/authentication-subscription'
curl --location --request GET 'http://192.168.70.186:80/nudr-dr/v1/subscription-data/208950000000031/authentication-data/authentication-subscription'