VanillaFix give me some errors. I just put some chests (from MetalChests) into the crystal chest.
This problem only occures with the crystal chest, in other chests I dont get this message.
Log - link is under the screenshots.^^

Expected Behavior

No errors from VanillaFix.

Actual Behavior

Errors from VanillaFix

Steps to Reproduce (including precondition)

Install VanillaFix and your mod and put some chests into the crystal chest.

Screenshot of this Problem

Log: https://paste.dimdev.org/kinuhamebe.mccrash

Your Environment

• OS: Win10 64bit
• Full Forge version: 14.23.4.2747
• Mod version: "v1.2.2.g3d3d54b" (v1.2.2)
• plus more mods (Modlist is in the log)

Check out this: https://minecraft.curseforge.com/projects/metalchests/files/2598609
Enjoy!