RemoteIdmService findUsersByGroup returns a No Mapping Error

RemoteIdmService findUsersByGroup is using the API url + “/api/idm/groups/” + encode(groupId) + “/users”, adminUser, adminPassword

When this executes you get a no mapping error
01:20:33,998 [http-nio-8080-exec-2] WARN org.springframework.web.servlet.PageNotFound - No mapping found for HTTP request with URI [/flowable-idm/api/idm/groups/testgroup2/users] in DispatcherServlet with name ‘apiDispatcher’

I looked at the implementation of getGroupUsers in the IDM app and the URI appears to be

Is there an option to deal with this issue?