Issue Description:

Minecraft crashes when I try to open wired charger GUI. Already postet the crash report to the modpack creators but they couldn't find any mod specific issue for that and asked me to post it here.

What happens:

Minecraft crashes immediately when I right click the wired charger.

What you expected to happen:

Wired charger gui opens ;)

Steps to reproduce:

1. Place wired charger (whether connected to any power source or not)
2. Right click wired charger
3. Minecraft crashes instantly

Affected Versions (Do not use "latest"):

• EnderIO: EnderIO-1.12.2-5.0.20.jar
• EnderCore: EnderCore-1.12.2-0.5.18.jar
• Minecraft: 1.12.2
• Forge: 14.23.1.2554

Your most recent log file where the issue was present:

https://pastebin.com/yA54mSBG

Fixed in dev branch