>>1518112It looks like you're trying to prevent creepers from exploding, but I don't think that mod does what you think it does.
https://www.curseforge.com/minecraft/mc-mods/in-control>This is a simple mod that gives you full control on where mobs are allowed to spawn.There's also nothing about a "damage.json" file in the documentation.
https://www.mcjty.eu/docs/mods/control-mods/control-mods-16If you want to prevent creepers from destroying blocks, try this mod:
https://www.curseforge.com/minecraft/mc-mods/creeper-confetti 
