Have you just installed SpongeForge in your server and now it is not starting?
This probably means that your server is running a modpack that contains a mod called " FoamFix ", which is preventing the server from starting properly.

🟣 This article will try to help you on how you can install SpongeForge in your modded server without issues.

🌲 Information 🌲

Why SpongeForge ?
You can check more information regarding SpongeForge in our Understanding Plugins and Mods article.

What are all Minecraft Versions that SpongeForge can run ?
SpongeForge can work properly in any 1.10.2, 1.11, 1.11.2, 1.12, 1.12.1 or 1.12.2 modded servers. You can also check more about it in our SpongeForge article.

What is FoamFix ?
In few words, FoamFix is a mod that was done with the objective to optimize modded Minecraft using as simple, targeted optimizations.

Where can I find FoamFix ?
You can find FoamFix mod here.
Feed The Beast modapacks also usually have this mod pre-installed.

How can I have sure if my server is running with FoamFix ?
You can check if your server have or not FoamFix by opening your FTP and going to /mods directory.
If FoarmFix is there, then your server is trying to execute SpongeForge but FoamFix is preventing it from start.

🌲 How to Fix 🌲

To get all this shorted, we need to firstly open your server files, which you can find them in your FTP File Access.

❓ If you don't know what is FTP or how to use it, we suggest you to read our How to: Access Your Minecraft Server Files Via FTP artile.

So now you need to:

Stop your server.
Login in your FTP File Access.
Open the " config " directory. (/config folder).

Scroll down and find the " foamfix.cfg " file.
Right-Click and then click on " 📝 Edit ".

Now you'll need to find two settings and change both values from " true " to " false "
There you'll need to find:
B:optimizedBlockPos and B:patchChunkSerialization.
Once you find, set both values to " false ".

Click on Save.
Back to your Control Panel and start your server.

Now your server must execute SpongeForge in your modded server!

Feel free to open a ticket in your Client Area if you need any further assistance.

Useful Links:
Understanding: Servers using mods and plugins at the same time
How to: Access Your Minecraft Server Files Via FTP
Custom Forge Installation
Feed The Beast Installation
How to install Mods on your server
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