I have tried using CUPS instead of LNS, but this also didn’t work.
Then I tried the solution posted here: Can’t get Laird RG1xx Basics Station Forwarder working with TTN - Gateways - The Things Network
Also, no dice. What’s even more strange is that whatever server addresses I use, I always get this error:
2023-01-17 10:49:40.972 [AIO:ERRO] Malformed URI - expecting ws(s)://host:port (no path, port mandatory) but found: wss://eu1.cloud.thethings.network:8887/
I guess I will have to ask Laird for support.