• EnderIO: 1.10.2-3.0.1.125_beta
• EnderCore: 1.10.2-0.4.1.58-beta
• Minecraft: 1.10.2
• Forge: 1.10.2-12.18.2.2099

Your most recent log file where the issue was present:

https://gist.github.com/GodsVictory/0ce3b237da72f48d3a503d7ccd821ddf

Why do you think this has anything to do with EnderIO ?

Looks like I attached the wrong log, my apologies. I'll come back if the other error comes back.