So i had copied all of the files of the latest version of lapititos galacticraft modpack because i wanted to add a few more mods and what not, but for some reason more planets just doesnt want to work with galaxy space?/Galacticraft core,
crash-2021-08-13_18.30.40-client.txt

thanks mate that worked!

Install JustEnoughIDs should fix IDs limit.
https://www.curseforge.com/minecraft/mc-mods/jeid