To Reproduce
Steps to reproduce the crash:

1. I Downloaded the zip file, and dropped those files into my .minecraft folder
2. I launched the game, and it crashes on startup

Screenshots

Versions (please complete the following information)

• Forge: 14.23.5.2851
• Flan's Mod: 5.5.2

Crash Log

https://gist.github.com/Xahv/a9abbcf8628a51e8820a8e9aa0cb4ae7
Additional context

Had other mods in the mods folder