Spongeforge and modded server error

[RandomByte]

Common Crash Issues [PLEASE READ FIRST]

There a few well-known crashes that happen with SpongeForge and some modpacks at present, that can easily be fixed. If your server is crashing upon startup, please check if a part of your server log matches the examples below - and if so, try the suggested fixes. [UPDATE] First check out the new Mod Compatibilty Page on the SpongeDocs! In general, if you are having issues setting up a sponge server, or think you may have found a bug, search this category and check that the problem hasn’t alrea…

It is an issue with FoamFix. Try what the post says.