Mam problem z wykonywaniem komend w gui.

Witam! Mam problem oto z takiem skryptem. Proszę o pomoc.

Cytat

            new Inventory "&6ARENY";
            "&6ARENY".Inventory.setRow{1};
            "&6ARENY".Inventory.setItem{1, 1 iron sword of sharpness 5 with no nbt named "&7&lIRON" with lore "&7Aktualnie: &aonline&7.||&7Graczy na arenie: &e%{_iron}%&7."};
            "&6ARENY".Inventory.setCommand{1, "arena iron"};
            "&6ARENY".Inventory.setExecutor{1, "player"};
            "&6ARENY".Inventory.setItem{2, 1 diamond sword of knockback 2 with no nbt named "&b&lKNOCKBACK" with lore "&7Aktualnie: &aonline&7.||&7Graczy na arenie: &e%{_knockback}%&7."};
            "&6ARENY".Inventory.setCommand{2, "arena knockback"};
            "&6ARENY".Inventory.setExecutor{2, "player"};
            "&6ARENY".Inventory.setItem{3, 1 golden apple:0 of lure 1 with no nbt named "&6&lMUTATED APPLE" with lore "&7Aktualnie: &aonline&7.||&7Graczy na arenie: &e%{_mutated}%&7."};
            "&6ARENY".Inventory.setCommand{3, "arena mutated"};
            "&6ARENY".Inventory.setExecutor{3, "player"};
            "&6ARENY".Inventory.setItem{4, 1 water bottle of lure 1 with no nbt named "&d&lPOTY" with lore "&7Aktualnie: &aonline&7.||&7Graczy na arenie: &e%{_poty}%&7."};
            "&6ARENY".Inventory.setCommand{4, "arena poty"};
            "&6ARENY".Inventory.setExecutor{4, "player"};
            "&6ARENY".Inventory.setItem{5, 1 beacon named "&4&lARIVI" with lore "&7Aktualnie: &aonline&7.||&7Graczy na arenie: &e%{_arivi}%&7."};
            "&6ARENY".Inventory.setCommand{5, "arena arivi"};
            "&6ARENY".Inventory.setExecutor{5, "player"};
            "&6ARENY".Inventory.setItem{6, 1 bow named "&8&lONE SHOT ONE KILL" with lore "&7Aktualnie: &aonline&7.||&7Graczy na arenie: &e%{_oneshot}%&7."};
            "&6ARENY".Inventory.setCommand{6, "arena oneshot"};
            "&6ARENY".Inventory.setExecutor{6, "player"};
            "&6ARENY".Inventory.display{player};