Issue (The better the description the better i can solve the issue):

I was loading up MC with IM and suddenly it crashes near 5/7

Steps to reproduce:

1. start up mc
2. wait until it's near 5/7
3. it crashes sometimes

Affected Versions (Latest is NOT a version):

Minecraft: 1.12.2
Forge: 14.23.5.2847
TenshiLib: 1.2.3
Improved Mobs: 1.6.6

Other Mods (If you think it might be cause of an incompability):

none i think

Logs (Use a site like pastebin, gist etc. DONT COPY PASTE THE LOG IN HERE):

https://paste.dimdev.org/qosazajofu.mccrash

22510f8