Particles

command /particles:
	trigger:
    	spawn 10 of particle angry villager:1 offset by 0.5, 1, 0.5 at player

Skrypt, a tu błąd: 

[19:59:01 ERROR]: ':1 offset by 0.5, 1, 0.5' is not a valid item data (part.sk, line 3: spawn 10 of particle angry villager:1 offset by 0.5, 1, 0.5 at player')

Dodam, że  to z poradnika było brane... Niby każdemu działało