Do you use Java 8?
Yes

What version of Minecraft do you use?
1.12.2

What version of MinecraftForge do you use?
14.23.5.2854

What version of SanLib do you use?
1.6.2

What version of Turret Mod Rebirth do you use?
Beta 4.2

What is the issue / bug you have encountered? Give us a short description.
Crash when entering world (I was in the beneath when I was last in the world)

How can it be reproduced?
No clue

Please post your log file (either in /logs/fml-client-latest.log or /logs/latest.log) on https://gist.github.com and provide the link:
https://gist.github.com/mxnmnm/dffbf17e06d88826d21ee20d25197b56