Cauldron for a Modpack Server w/ Plugins isn't working

So I have recently been trying to convert our FTB-Infinity Server to a Cauldron Forge server so I can install plugins, and possibly the server has a better start rate, and run more smoothly. Anyways, any easy way to do this?

I’ve already tried downloading the Cauldron packages, and libraries, and extracting and replacing them with the standard Forge/FTB Server libraries, and running it as that, but it always crashes. Any help?

Can you post a log? <junk junk stupid char limit.