When you're using /loot to get some of the entities loot tables, the game simply crashes.
Step to Reproduce
1. Do /loot spawn ~ ~ ~ loot "entities/raider_drops"
2. Press enter.
Observed Result
The game becomes unresponsive and crashes.
Expected Result
Either it gives your intended entities loot tables, or if it can't, should throw an error message.
I was able to get the command to work when the world was first loading (it gave me 1 emerald), but running the command again then crashed my game.