It was working before I updated to the latest versions of CCC and CCL (1.1.11 and 1.1.8, previously 1.1.5 and 1.1.5.5 respectively). Now, every time I try to open my inventory, it immediately crashes.

https://gist.github.com/Shahelion/b6e9b071e6fe844a3a23cbb5b5f4b285

It could be caused by corrupted jar. Try reinstalling the mod.

Can you provide full fml log?

https://gist.github.com/Shahelion/9272a5cd1406c2f51529a0457affb931

It happened again, here's the full console log from that.