I occure a crash when i leave the world on my server. The rest seems to work. I think it is client side issue, because there is nothin in the server console.
My server run the 1.16.5 version of minecraft. Forge 36.2.28 and the modversion of Locksmith is 1.0.1.
Here is the crashlog, if you need something else let me know.
https://pastebin.com/4hxX7EbR = Crashlog
https://pastebin.com/WLc8Qh9V = Latestlog
latest.log
Latestlog was to big so i let you a pastebin link there.
What version are you seeing the problem on?
1.16.x
Describe the issue
latest.log