Modpack version
1.69

Can the issue be reproduced?
Yes

Logs
https://pastebin.com/ctHZ62wR

Issue
Minecraft crashes immediately after loading with this message: The game crashed whilst there was a severe problem during mod loading that has caused the game to fail
Error: net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from Just Enough Items (jei)

We use the issue tracker exclusively for bug reports, development and feature requests. However, this issue appears to be a support request. Please use the support channel on our Discord to get help.

You need to allocate atleast 6GB RAM.