Error in setting up kubernetes environment

I have successfully installed Rancher using docker. in the UI of rancher I have added a host i.e the server IP of my rke2manager node. (already registered the host)
Also my rk2 manager node as well as the node in which I have installed rancher UI is same.

under environment, I am getting below, where I am using RKE2 Environment.

I am stuck in

Setting up Kubernetes

  • Add at least one host
  • Waiting for a host to be active
  • Creating Kubernetes system stack
  • Starting services
  • Waiting for Kubernetes API

where Add at least one host is successful checked green tick, but the rest steps are stuck.

can anyone please guide.