Not able to login apimanui with keycloack

[indra3]

I have followed the documentation and started the apiman application with docker compose file (docker-compose up), Application started successfully. While logging the application getting below error.

URL: http://apiman.local.gd:8080/apimanui?state=53bf3e0a-1734-4d03-af07-3a9d9764724b&session_state=24c4e714-2e61-49b6-aef4-5705405340d8&code=fdd8b3fc-efaa-4285-b7e5-8e884aa32767.24c4e714-2e61-49b6-aef4-5705405340d8.3231eec6-b610-4055-9d86-e04a7be6ec28

Error in browser: Forbidden

In Logs:

apiman-manager-1 | 07:48:24,698 ERROR [org.keycloak.adapters.OAuthRequestAuthenticator] (default task-1) failed to turn code into token
apiman-manager-1 | 07:48:24,698 ERROR [org.keycloak.adapters.OAuthRequestAuthenticator] (default task-1) status from server: 401
apiman-manager-1 | 07:48:24,699 ERROR [org.keycloak.adapters.OAuthRequestAuthenticator] (default task-1) {"error":"unauthorized_client","error_description":"Invalid client or Invalid client credentials"}

Please help on this issue, Thanks in advance.