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command /sklep [<text>]:
    trigger:
        wait 3 ticks
        open chest with 2 row named "                &8[&2&lSKLEP&8]" to player
        format slot 0 of player with 1 blue_stained_glass_pane named "&2SKLEP" to close 
        format slot 1 of player with 1 stone named "&7COBBLESTONE" with lore "1 cobblestone = 1 Pc" to close then run [make player execute command "/cobblestone1"]
        
command /cobblestone1 [<text>]:
    trigger:
        wait 3 ticks
        open chest with 1 row named "             &8[&7COBBLESTONE&8]" to player
        format slot 1 of player with 64 stone named "&cSPRZEDAJ 64 COBBLESTONE" to close then run [make player command "stoneha"]
        
command /stoneha [<text>]:
    trigger:
        if player has 64 stone:
            add 64 from {kasa::%player%}
        else:
            send "&cNie posiadasz 64 stone" to player

w consoli to wywala :

[make player command "stoneha"] is not a vild lambda 

statement (line 81 : format slot 1 of player with 63 stone named "Sprzedaj ..." to close then run [make player command "stoneha"]')

Can't understand this conditio/effect: add 64 from {kasa::%player%}