Until I installed with Helm and added port forward I saw this in the dashboardServer.log

2022-11-11T15:46:31.837Z: [HPM] Error occurred while proxying request 127.0.0.1:6120/v1/management.cattle.io.setting to <https://127.0.0.1:9443/> [ECONNREFUSED] (<https://nodejs.org/api/errors.html#errors_common_system_errors>)
2022-11-11T15:49:35.362Z: Proxy Error: Error: connect ECONNREFUSED 127.0.0.1:9443
    at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1161:16) {
  errno: -4078,
  code: 'ECONNREFUSED',
  syscall: 'connect',
  address: '127.0.0.1',
  port: 9443
}