1.13 random crashes on world join

What happens:

load up instance crashes on world join

What you expected to happen:

join world and have no problems

Steps to reproduce:

1. load up instance
2. create new world
3. profit
   ...

Affected Versions (Do not use "latest"):

• Hwyla: b58-1.13.2
• Minecraft: 1.13.2
• Forge: 1.13.2-191

Crash:
crash-2019-04-29_16.55.34-server.txt

Debug:
debug.txt

Possible Conflicting Mods (Provide their version, as well)

last mod enabled that i turned on was iron chest
version: 1.13.2-8.0.2

I've been consistently getting the exact same crash on Hwyla-forge-1.10.5-B66_1.14.4 and Forge 28.0.45.
crash-2019-08-11_12.16.10-server.txt