Hi,
I'm actually building an aim training server, and i'm using HumanNPC for building a target area. 
Most of NPCs are working fine, but, some of them have an issue. I need to hook when the npc take damage, to count hits, headshots, etc. But some NPCs throw "projectile_distance" when they get hit, so it doesnt count like a real hit, and my stats are not correct then.

Any idea why it's throwing that error ? (I tried to remove the npc and make is spawn again, same problem, alway throwing projectile_distance every hits).