gui slow

Hello, I tried to add the 4th node in the cluster (vgpm04/172.19.0.14) from the GUI and but it failed in the process. The GUI is now very slow and unusable. How can I get back to normal? I stopped the vgpm04 pve-cluster service and the colosync service, but this did not affects...

I had been running Proxmox VE version 7 with VM's on a zfs pool on the local host, I saved the VM and LXC config files, exported the datasets, and installed Proxmox V8.1, after the install I Imported the datasets and restored the config files, I haven't noticed any issues with the VM's or LXC's...