What happens:

errors while starting on spongeforge
start on 119 line in the log (pastebin)

Affected Versions (Do not use "latest"):

• EnderIO: 5.0.29
• EnderCore: 0.5.35
• Minecraft: 1.12.2
• Forge: 1.12.2-14.23.4.2705
• SpongeForge: spongeforge-1.12.2-2705-7.1.0-BETA-3266.jar

Your most recent log file where the issue was present:

https://pastebin.com/bgAne029 - log
https://ibb.co/gdk96o - all mods on server

Duplicate #4747