Unknown connection

[leshow]

This hasn't worked in a while for me, I'm on ArchLinux:

~ 49s
❯ sudo nordnm sync -a us normal udp
     _   _               _ _   _ ___  ___
    | \ | |             | | \ | ||  \/  |
    |  \| | ___  _ __ __| |  \| || .  . |
    | . ` |/ _ \| '__/ _` | . ` || |\/| |
    | |\  | (_) | | | (_| | |\  || |  | |
    \_| \_/\___/|_|  \__,_\_| \_/\_|  |_/   v0.6.1 (Latest)

[INFO] [nordnm.nordnm]: Checking for new connections to import...
[INFO] [nordnm.nordnm]: Benchmarking 2028 servers...
[INFO] 2028/2028 benchmarks finished.
[INFO] [nordnm.nordnm]: Benchmarked 1989 servers successfully (98.08%). Took 10.16 seconds.
[INFO] [nordnm.nordnm]: Removing all active connections...
[INFO] [nordnm.networkmanager]: Auto-connect disabled.
[INFO] [nordnm.nordnm]: Adding new connections...
[ERROR] [nordnm.nordnm]: list index out of range
[WARNING] [nordnm.nordnm]: Could not find a configuration file for us4174 [normal|p2p] [udp]. Skipping.
[INFO] [nordnm.nordnm]: 1 new connections added.
[INFO] [nordnm.nordnm]: Auto-connect enabled for 'us4174 [normal|p2p] [udp]' (Load: 7%, Latency: 38.62s).
[ERROR] [nordnm.networkmanager]: Error: unknown connection 'us4174 [normal|p2p] [udp]'. 

[zlb323]

The first thing I notice is that you don't have the latest version. I would try to upgrade and see if it persists

[leshow]

Ah, it appears the latest version is not released on AUR https://aur.archlinux.org/packages/nordnm/