Error

--//Server Script
local UIS = game:GetService("UserInputService")
local mouse = game.Players.LocalPlayer:GetMouse()
local debounce = false

--PC
UIS.InputBegan:Connect(function(key, processed)
    if processed or debounce then return end
    debounce = true

    if key.UserInputType == Enum.UserInputType.Keyboard then
        if key.KeyCode == Enum.KeyCode.Z then
            game.ReplicatedStorage.Events.NegativeVortex:FireServer(mouse.Hit.Position)
        end
    end
    wait(1)
    debounce = false
end)

--Mobile
if UIS.TouchEnabled then
    UIS.TouchTap:Connect(function(position, processed)
        if processed or debounce then return end
        debounce = true

        game.ReplicatedStorage.Events.NegativeVortex:FireServer(mouse.Hit.Position)
        wait(1)
        debounce = false
    end)
end

--//Local Script
game.ReplicatedStorage.Events.NegativeVortex.OnServerEvent:Connect(function(player, mousePos)
    local effects = game.ReplicatedStorage.EffectsVortex
    local vortex = effects.NegativeVortex:Clone()
    local explosion = effects.Explosion:Clone()
    local character = player.Character

    --Fireball
    vortex.Position = character.HumanoidRootPart.Position
    vortex.Parent = workspace
    local velocity = Instance.new("BodyVelocity", vortex)
    velocity.Velocity = CFrame.new(vortex.Position, mousePos).LookVector * 50

    --Explosion
    vortex.Touched:Connect(function(hit)
        if hit:IsDescendantOf(character) or hit:FindFirstChild("ParticleEmitter") then return end
        explosion.Position = vortex.Position
        :Destroy()
        explosion.Parent = workspace

        if hit.Parent:FindFirstChild("Humanoid") then
            hit.Parent:FindFirstChild("Humanoid"):TakeDamage(20)
        end

        wait(1)
        explosion:Destroy()
    end)
end)