SleepDemon

Also I know this is off-topic but how do you install datapacks? Is there way to do through world.

I already had the LuckPerms installed, when i typed the command. But you are suggestion to run the command "lp user yourname permission add" in the server command. And then re-run "/lp group default permission add gravy.grave" in-game. Am I correct? also is there supposed to be a * in the command "/lp group default permission add gravy.grave"?

i ran the /lp group default permission add gravy.grave command in minecraft chat but it says command not recognized.

The gravey plungin requires NBT API but it's not on the plugin page of minehunt. So I'm requesting to add Grave plugin. https://www.spigotmc.org/resources/graves.74208/