Zabezpieczanie terenu PILNE!

command /zabezpiecz [<text>]:
		trigger:
				if player is op:
						if argument-1 is set:
								set {_loc} to location of player
								set {_rad} to argument-1
								if {_rad} is number between 50 and 1000:
										loop all blocks in radius {_rad} of {_loc}:
												set {zabezpieczony:spawn} to loop-blocks
												send "&8&l» &aSpawn jest teraz zabezpieczony!"
												stop
								else:
										send "&8&l» &cWpisz odleglosc! &8&l&m(&750 - 1000 kratek&8&l&m)"
						else:
								send "&8&l» &cWpisz odleglosc! &8&l&m(&750 - 1000 kratek&8&l&m)"
				else:
						send "&cNieznana komenda, wpisz /komendy, aby wyswietlic liste komend!"
on place:
		if player is not op:
				if location of player is {zabezpieczony:spawn}:
						cancel event
						send "&8&l» &cNie mozesz stawiac tuaj blokow!"
on mine:
		if player is not op:
				if location of player is {zabezpieczony:spawn}:
						cancel event
						send "&8&l» &cNie mozesz tutaj niszczyc!"

Błędy: