Modpack version
1.56

Can the issue be reproduced?
Yes

Logs
https://pastebin.com/h2tsNLvS

Issue
Client CTD while loading

"Caused" by OpenJ9 being a bit tricker happy on the crashes. This issue is fixed in dev, and you can fix it yourself by removing the line "xu2_machine_extrautils2:generator_overclock", from the scripts/JEICategories file.