What happens:

I try to put in an extraction upgrade into an item conduit and my game crashes. Sometimes even if the item is over the item conduit GUI

What you expected to happen:

I put in the extraction upgrade and the game still runs

Steps to reproduce:

1. Put item conduits to Mekanism machines
2. Put in extraction speed upgrades

Affected Versions (Do not use "latest"):

• EnderIO: EnderIO-1.12.2-5.2.66.jar
• EnderCore: EnderCore-1.12.2-0.5.76.jar
• Minecraft: 1.12.2
• Forge: forge-14.23.5.2854
• Optifine? yes
• Server

Your most recent log file where the issue was present:

[pastebin/gist/etc link here]
https://pastebin.com/DCEKeT4m