skrypt na generowanie trawy

command /maczka [<int&gt]:  trigger:    if arg 1 is set:      loop all blocks in radius arg 1:        if loop-block is grass:          if block over loop-block is air:            if chance of 93%:              set block over loop-block to 37:1            if chance of 4%:              set block over loop-block to 37            if chance of 3%:              set block over loop-block to 38

Wywala błąd:

"a block can't be set to 1 because the latter is not an item type

(maczka.sk, line 8: set block over loop-block to 1" i tak 3 razy