Describe the bug
Vacuum Freezer fails to show hologram, and crashes client when changing I/O config.

Steps to Reproduce
Place the vacuum freezer
Right click on it
The H button does nothing, and throws an error.

Click Configure Slots
Click on one of the slots
Client crashes and throws error

Environment (please complete the following information with the version):

• Minecraft: 1.15.2
• Mod Loader: Fabric 0.7.8

Logs
Hologram error: https://pastebin.com/fHuHvqH0
Config error: https://pastebin.com/EmJSSCEh

Additional context
I was initially using this with other mods, but in testing with just TechReborn, the same errors occurred.