Can't get NUT to shutdown Proxmox

This is the error msg again when i try to start nut-snmp

root@X10SLM:~# systemctl status nut-server.service
● nut-server.service - Network UPS Tools - power devices information server
Loaded: loaded (/lib/systemd/system/nut-server.service; enabled; vendor pr>
Active: failed (Result: exit-code) since Wed 2021-12-15 14:33:30 +08; 41s >
Process: 132417 ExecStart=/sbin/upsd (code=exited, status=1/FAILURE)
CPU: 984us

Dec 15 14:33:30 X10SLM systemd[1]: Starting Network UPS Tools - power devices i>
Dec 15 14:33:30 X10SLM systemd[1]: nut-server.service: Control process exited, >
Dec 15 14:33:30 X10SLM systemd[1]: nut-server.service: Failed with result 'exit>
Dec 15 14:33:30 X10SLM systemd[1]: Failed to start Network UPS Tools - power de>
lines 1-10/10 (END)...skipping...
● nut-server.service - Network UPS Tools - power devices information server
Loaded: loaded (/lib/systemd/system/nut-server.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Wed 2021-12-15 14:33:30 +08; 41s ago
Process: 132417 ExecStart=/sbin/upsd (code=exited, status=1/FAILURE)
CPU: 984us

Dec 15 14:33:30 X10SLM systemd[1]: Starting Network UPS Tools - power devices information server...
Dec 15 14:33:30 X10SLM systemd[1]: nut-server.service: Control process exited, code=exited, status=1/FAILURE
Dec 15 14:33:30 X10SLM systemd[1]: nut-server.service: Failed with result 'exit-code'.
Dec 15 14:33:30 X10SLM systemd[1]: Failed to start Network UPS Tools - power devices information server.
 
Hi,
just a question about NUT (as client) on proxmox,
my config works fine except for the same issue here : https://forum.proxmox.com/threads/cant-get-nut-to-shutdown-proxmox.100103/post-433353
remove earlyshutdown timer is a way,
but I would keep it and it's required to stop that named timer using :
[see upssched.conf ]
Code:
AT ONLINE * CANCEL-TIMER earlyshutdown
what I didn't find on the pdf Manual is if "online" is required to append to the end:
Code:
AT ONLINE * CANCEL-TIMER earlyshutdown online

In the previous config I got on the PVE log this : pve nut-monitor[2462366]: wall: /dev/pts/N : No such file or directory ?
(with N 0 or 4)
Someone could give me a reason of it ?

Thank you!