Ever since i added this script every other script basically stopped working? [closed]

wait()

repeat wait() until game.Players.LocalPlayer.Character ~= nil
local ContentProvider = Game:GetService("ContentProvider")

local function WaitForAssetsToLoad()
    while (ContentProvider.RequestQueueSize > 0) do
        wait()
    end
end
local plr = game.Players.LocalPlayer
local mouse = plr:GetMouse()
wait(2)
if not plr.Character:findFirstChild("Shirt") then
    local newshirt = Instance.new("Shirt")
    newshirt.Parent = plr.Character
    newshirt.Name = "Shirt"
end
wait(2)
if not plr.Character:findFirstChild("Pants") then
    local newshirt = Instance.new("Pants")
    newshirt.Parent = plr.Character
    newshirt.Name = "Pants"
end
local ownersshirt = plr.Character:findFirstChild("Shirt").ShirtTemplate
local ownerspants = plr.Character:findFirstChild("Pants").PantsTemplate
local shirt = plr.Character:WaitForChild("Shirt")
local pants = plr.Character:WaitForChild("Pants")
wait()
mouse.Button1Down:connect(function()
    if mouse.Target == nil then
    return end
    if mouse.Target.Name == "Coconut" then
            wait()
            mouse.Target.Anchored=false
    end
    if mouse.Target.Name == "Buy" then
        mouse.Target:findFirstChild("ID")
        game:GetService("MarketplaceService"):PromptPurchase(plr, mouse.Target:findFirstChild("ID").Value)
    end
end)
mouse.Move:connect(function()
    if mouse.Target == nil then
    return end
    if mouse.Target ~= nil then
    if mouse.Target.Name == "Buy" then
        mouse.Icon = 'http://www.roblox.com/asset/?id=181637101'
        end
        if mouse.Target.Name == "Buy" then
            if mouse.Target:findFirstChild("IsA").Value == "Shirt" then
            shirt.ShirtTemplate = (mouse.Target.Parent:findFirstChild("Shirt").ShirtTemplate)
            end
            if mouse.Target:findFirstChild("IsA").Value == "Pants" then
                pants.PantsTemplate = (mouse.Target.Parent:findFirstChild("Pants").PantsTemplate)
            end
        end
        if mouse.Target.Name ~= "Buy" then
            mouse.Icon = ''
            pants.PantsTemplate = ownerspants
            shirt.ShirtTemplate = ownersshirt
        end
    end
end)