Had reported this to cc:tweaked devs and they informed me that is was an issue on your mods end.

cc-tweaked/CC-Tweaked#1921

Minecraft Version

1.20.1

Version

2.6.3

Details

Crash report

Latest Log

Debug Log

My Modpack

steps:

update cc tweaked to latest in and launch the game

expected behavior: Not to crash.

Thanks for the report. This is fixed in 2.6.4, which should be available shortly.