at com.lying.variousoddities.tileentity.TileEntityMimicChest.func_73660_a(TileEntityMimicChest.java:288) at net.minecraft.world.World.func_72939_s(World.java:1835) at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1847) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1098) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:398) at net.minecraft.client.main.Main.main(SourceFile:123) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

varodd-1.12.2-4.0.jar

Which version did this occur in? Could you post the full crash log?

This is a known bug in version 4.0, it was fixed in September

https://www.curseforge.com/minecraft/mc-mods/various-oddities/issues/15