I'm building a personal modpack with mc 1.7.10 after adding Mekanism the game crashes back to the launcher.

Crash report - https://gist.github.com/ChaosXten/b1ec2a58a76bd50a4d8b

FML client log - https://gist.github.com/ChaosXten/4c8f9bcd1340982546b8

Should I still install it even though I don't have IC2 installed? I also checked through all the mods with folders and there's not any IC2 folders.

I did however rebuild the pack uploading Mekanism with in the first five mods. The only mod that caused Mekanism to crash was InfinTubes by Immibis. I do have a couple other mods of his, but they're running fine.

Mekanism seems to be doing fine now.

This is a dependency bug. Download the latest IC2 API jar (http://ic2api.player.to:8080/job/IC2_experimental/), it has fixed the problem in the past.