Proxmox interface not opening

[mo7akenawy]

i got this error

Sep 23 04:21:01 server.nxt.company systemd[1]: Stopped The Proxmox VE cluster filesystem.
Sep 23 04:21:01 server.nxt.company systemd[1]: Starting The Proxmox VE cluster filesystem...
Sep 23 04:21:14 server.nxt.company pmxcfs[1484]: [main] crit: Unable to get local IP address
Sep 23 04:21:14 server.nxt.company pmxcfs[1484]: [main] crit: Unable to get local IP address
Sep 23 04:21:14 server.nxt.company systemd[1]: pve-cluster.service: Control process exited, code=exited, status=255/EXCEP>
Sep 23 04:21:14 server.nxt.company systemd[1]: pve-cluster.service: Failed with result 'exit-code'.
Sep 23 04:21:14 server.nxt.company systemd[1]: Failed to start The Proxmox VE cluster filesystem.
Sep 23 04:21:14 server.nxt.company systemd[1]: pve-cluster.service: Scheduled restart job, restart counter is at 3.

 

[s.lendl]

Do you have multiple nodes in the cluster?
please post the output of tail -n +1 /etc/network/interfaces /etc/hosts and ip addr