Solved Cannot understand condition/effect of "format"?

[CassioTDS]

Here is my code:

command /worldselector:
    trigger:
        open chest with 1 row named "&dChest selector" to player
        wait a tick
        format slot 0 of player with diamond sword named '&4KitPvP' with lore "&6Click to go to KitPVP" to close then run "kitpvp"
        format slot 1 of player with grass block named '&7Wilderness' with lore "&6Click to go to the wilderness" to close then run "wilderness"
on click holding nether star:
    make player execute "worldselector"

But when I run it, I get:

[09:14:51] [Server thread/ERROR]: Can't understand this condition/effect: format slot 0 of player with diamond sword named '&4KitPvP' with lore "&6Click to go to KitPVP" to close then run "kitpvp" (Lobby teleport.sk, line 5: format slot 0 of player with diamond sword named '&4KitPvP' with lore "&6Click to go to KitPVP" to close then run "kitpvp"')
[09:14:51] [Server thread/ERROR]: Can't understand this condition/effect: format slot 1 of player with grass block named '&7Wilderness' with lore "&6Click to go to the wilderness" to close then run "wilderness" (Lobby teleport.sk, line 6: format slot 1 of player with grass block named '&7Wilderness' with lore "&6Click to go to the wilderness" to close then run "wilderness"')

Help?

I have skript 1.15
[doublepost=1586402154,1586391780][/doublepost]

format slot 8 of player with red glass plane named "&c&lClose" with lore "&cClick here to close this GUI." to close

This fixed it... Thanks for your help everybody.. -_-