mały problem

takie błędy

https://ibb.co/vwSQjZk

kod:
on join:
    loop 6 times:
        {lvl::%player%::%loop-value%} is not set
        set {lvl::%player%::%loop-value%} to true

 open chest with 1 rows named "&f&lWybor map.." to player
 set slot (integers between 0 and of player's current inventory to gray stained glass pane named ""
     loop {lvl::%player%::*}:
          if loop-value = true:
              set player's current inventory's slot loop-index to red stained glass pane named "&aLevel %loop-index%!" with lore "&6Nacisnij aby zagrac!"
          else:
              set player's current inventory's slot loop-index to lime stained glass pane named "&aLevel %loop-index%!" with lore "&6Nacisnij aby zagrac!"