What happens:

crash server:
http://pastebin.com/vgxhbkvF

What you expected to happen:

start server

Steps to reproduce:

1.install mod

Affected Versions (Do not use "latest"):

• EnderIO:2.3.0.427-429
• EnderCore:last 1.7.10
• Minecraft: 1.7.10
• Forge:1664

Your most recent log file where the issue was present:

http://pastebin.com/vgxhbkvF

probably caused by kcauldron