repair slot isnt working

[Mattllama987]

Hi, i updated my server, and alot of addons broke, so now i dont have many addons and im trying to repair all my skript. Why wont this repair slot 4 of the player? I dont get any errors. It was working in 1.14.2, but not in 1.15.2.
Thanks!
~Matt

Server version:
Paperspigot 1.15.2

Skript version:
2.4

CODE:

on inventory click:
    if "%event.getView().getTitle()%" = "&a&lTools and Armor repair":
        if index of event-slot is 2:
            cancel event
            if {rings::%player%} >= 250:
                set {_s} to slot 4 of player's current inventory
                broadcast "%{_s}%"
                if slot 4 of player's current inventory != any pickaxe or any sword or any hoe or any shovel or any axe or any armor or fishing rod:
                    remove 250 from {rings::%player%}
                    play sound "BLOCK_ANVIL_USE" at location of player for player
                    repair slot 4 of current inventory of player
                else:
                    cancel event
                    send "&c(&4!&c) &7you must have a pickaxe in this slot!"
            else:
                send "&c(&4!&c) &7Sorry, but you don't have enough rings to repair anything!"
                loop 3 times:
                    play sound "AMBIENT_CAVE" at location of player for player
on inventory click:
    if event.getView().getTitle() = "&a&lTools and Armor repair":
        if player's held item isn't any pickaxe or air or any sword or any hoe or any shovel or any axe or any armor or fishing rod:
            if clicked inventory is not inventory of player:
                cancel event
            else:
                uncancel event