Keycloak Identity Provider Extension Released - Camunda

I am facing issues in Keycloak Identity Provider plugin after refering have referred the example under above link of github also. Keycloak is not able to authorize request, I have also mentioned the correct details from keycloak.json file.

Error : Caused by: org.springframework.web.client.HttpClientErrorException$Unauthorized: 401 Unauthorized: [{“error”:“unauthorized_client”,“error_description”:“Invalid client secret”}]

2020-09-30 17:26:54.219 ERROR 6872 — [ main] org.camunda.bpm.extension.keycloak : KEYCLOAK-01011 TOKEN request failed: 401 Unauthorized: [{“error”:“unauthorized_client”,“error_description”:“Invalid client secret”}]