Description

I open a server just with the Custom NPCs mod and the LuckPerms Plugin and it shows me this error when im trying to enter

Reproduction Steps

1.Arclight Server 1.16.5
2.Put CustomNPCs in the mods folder and LuckPerms in the plugins folder
3.Open the server
4.Try to enter the server (error)

Expected Behaviour

When you enter this shows up:

Server Details

arclight-forge-1.16.5-1.0.25.jar

LuckPerms Version

LuckPerms.28140.jar

Logs and Configs

No response

Extra Details

No response

Hybrid servers such as Arclight are not supported. If you can reproduce on a supported platform like Paper or Spigot, please open a new issue.