Issue description:

I can't connect to my server anymore because my game instantly crashes.
Not entirely sure what causes the crash but I was told to report the issue here.

Forge: 14.23.0.2531
Mekanism: 9.4.1.326

https://pastebin.com/mFa6YgVV

already been fixed in dev. Until Aidan releases the update you will need to edit your player data file to not have the tinkers tool in your active hotbar slot - you can't look at cables/tubes/pipes with a Tinkers tool in hand with that version

See #4700