So this is what happened:
I connected a vanilla redstone clock circuit to a sticky piston (which had an Iron Rod from Quark attached to it (to break blocks in front of it)) and everything was fine. However, now every time I join that world I get the following crash:
https://pastebin.com/0yKP4RiL
So this is what happened: I connected a vanilla redstone clock circuit to a sticky piston (which had an Iron Rod from Quark attached to it (to break blocks in front of it)) and everything was fine. However, now every time I join that world I get the following crash: https://pastebin.com/0yKP4RiL