the data folder is spammed with lootr.dat files (over 2600 files from 3 weeks)
My suggestion would be creating a parent folder for this
/world/data/lootr

Hello! Lootr is a different and unrelated mod that is not made or maintained by me, you should report this to lootr and not looot

https://www.curseforge.com/minecraft/mc-mods/lootr
https://github.com/noobanidus/lootr/issues