CRAFTBOOK-2426 - Reported by Jeebiss

http://hastebin.com/xafocabode.avrasm
This was tucked in near the end.
http://hastebin.com/citofafeti.avrasm

Im not entirely sure what caused this.

Comment by me4502

Can you update to the latest version? It looks like you have a glass->glow stone thing set up either with something another plugin changes, or a redstone repeater. If that's the case there is nothing we can do, you just need to dismantle the thing in use, as its a problem outside craftbook.