I noticed that opening minecraft with both Repose and Cubic Chunks crashes on start up.
If there is anything on your end that you can do to help make it compatable I'd be deeply grateful.
Cubic Chunks is a mod that eliminates the y limits in minecraft by making chunks cubic (16x16x16)
Important mods/versions used:
Cubic Chunks Github:
Cubic Chunks discord:
https://discord.gg/KFk4mJs (<-- probably one of the easier ways to contact the mod author)
Malisiscore on Curseforge: