Machine controller causes crash with other covers removed

[Deepacat]

Checked for existing issues

• I have checked for existing issues, and have found none.

Tested latest version

• I have checked that this occurs on the latest version.

GregTech CEu Version

1.6.3

Minecraft Version

1.20.1 Forge

Recipe Viewer Installed

EMI

Environment

Singleplayer

Cross-Mod Interaction

No

Other Installed Mods

GTm community pack

Expected Behavior

You don't crash when viewing an empty machine controller

Actual Behavior

When opening a machine controller with no working states to manage the game crashes

Steps to Reproduce

machine.controller.mp4

Additional Information

No response