strange issue-no node visible but VMS all working

Hello guys, sorry to trouble you but I asked my son to use a Usb lan connected to my DIY Nas running Proxmox and since removing it and put in back ,I ended up with the GUI with no nodes visible, I tried updating, rebooting..... no luck , the ssh works fine ,I can send a reboot and shutdown commands and all are fine but no UI.
any idea ?

Thanks

root@Alpha:~# pveversion -v


proxmox-ve: 8.2.0 (running kernel: 6.8.4-3-pve)


pve-manager: 8.2.2 (running version: 8.2.2/9355359cd7afbae4)...

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