Version Information

Minecraft: 1.12.2
Forge: 1.12.2 14.23.5.2838
Mantle: 1.12-1.3.3.55
Natura: 1.12.2-4.3.2.69

Report Information

Server crashed when someone went into the nether, this error does not happen often but happens every once in awhile and is annoying

Steps to Reproduce

Crash Log

crash-2019-07-26_12.32.15-server.txt

Forge Log