crash report - https://hastebin.com/share/ejuvivutew.ruby
On client works fine but crash on server

Thanks for the report, looking into it...

Really stupid mistake here thanks a lot for reporting. It should be fixed in the newest version 1.12.2-1.1.5 and can be found here. I am wondering why no one reported this issue before since it is a major oversight that happens to crash the server on startup.

Closing the issue now. Let me know if you run into any other issues....