Call Failure at Authentication Stage

The following is a sample error log for call failure at the RADIUS authentication stage.

[smf-service-n0-0]  
[smf-service-n0-0] 2020/09/17 07:14:52.921 smf-service [ERROR] [idlestate.go:504] [smf-service0.smf-app.aaa] [imsi-123456789012345:5] [imsi-123456789012345:5] [16] USER_AUTHENTICATION_OR_AUTHORIZATION_FAILED 
[smf-service-n0-0] *errors.errorString USER_AUTHENTICATION_OR_AUTHORIZATION_FAILED 
[smf-service-n0-0] /opt/workspace/smf-service/src/smf-service/vendor/wwwin-github.cisco.com/
mobile-cnat-golang-lib/app-infra.git/src/app-infra/infra/Transaction.go:621 (0xd89cae) 
[smf-service-n0-0] /opt/workspace/smf-service/src/smf-service/vendor/wwwin-github.cisco.com/
mobile-cnat-golang-lib/app-infra.git/src/app-infra/infra/Transaction.go:580 (0x15d7ddc) 
[smf-service-n0-0] /opt/workspace/smf-service/src/smf-service/procedures/4g/pdnsetup/idlestate.go:537 (0x15bc4f5)