Steps to Reproduce the Crash

Launching

Mod Pack URL (Optional)

https://www.curseforge.com/minecraft/modpacks/project-equivalence-2-covalence-unified

Mod Pack Version (Optional)

No response

Extra Notes (Optional)

No response

Crash Report

https://gist.github.com/Skyros199/1467ea79f4430c71eb1a0945dcbbbf7b

Thanks for the report!
Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded
It looks like Java needs more memory, try giving it more in your settings.