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23:54:35.755 Argument 1 missing or nil error? making projectile.

Asked by 14 days ago
Edited by Xapelize 14 days ago

Please provide more explanation in your question. If you explain exactly what you are trying to accomplish, it will be much easier to answer your question correctly.

i need help with an error, when making my projectile it keeps saying, 23:54:35.755 Argument 1 missing or nil, and i've tried to fix the problem many times but it wouldnt work.

script.Parent.RemoteEvent.OnServerEvent:Connect(function(player, character)
    local char = player.Character or player.CharacterAdded:Wait()
    local root = character:WaitForChild("HumanoidRootPart")
    local fbtime = 4

    local MuseProjectile = game.ReplicatedStorage.Part:Clone()
    MuseProjectile.Parent = workspace
    MuseProjectile.CFrame = root.CFrame * CFrame.new (0,0,-2)
    game.Debris:AddItem(MuseProjectile, fbtime)

    local bodyvel = Instance.new("BodyVelocity")
    bodyvel.MaxForce = Vector3.new(1e8, 1e8,1e8)
    bodyvel.Velocity = root.CFrame.LookVector * 80
    bodyvel.Parent = MuseProjectile

    local debounce = false
    MuseProjectile.Touched:Connect(function(hit)
        if hit.isDescendantOf(char) then
            return
        end

        if hit.Parent:IsA("Accoutrement") then
            hit = hit.Parent
        end

        local enemyhumanoid = hit.Parent:WaitForChild("Humanoid")
        local enemyroot = hit.Parent:WaitForChild("HumanoidRootPart")
        if enemyhumanoid and not debounce then
            debounce = true
            MuseProjectile:Destroy()
            local HitM = game.ReplicatedStorage.Fire:Clone()
            HitM.Parent = enemyroot
            spawn(function()
                wait(.5)
                HitM.Enabled = false
                wait(.6)
                HitM.Destroy()
            end)
            enemyhumanoid:TakeDamage(25)
            wait()
            debounce = false
        end
    end)
end) 
1
Learn to format your code and share the full output properly for assistance. NotFrindow 346 — 14d

2 answers

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1
Answered by 14 days ago

In line 17, you should use colon when using functions like Instance:IsDescendantOf()

script.Parent.RemoteEvent.OnServerEvent:Connect(function(player, character)
    local char = player.Character or player.CharacterAdded:Wait()
    local root = character:WaitForChild("HumanoidRootPart")
    local fbtime = 4
    local MuseProjectile = game.ReplicatedStorage.Part:Clone()
    MuseProjectile.Parent = workspace
    MuseProjectile.CFrame = root.CFrame * CFrame.new (0,0,-2)
    game.Debris:AddItem(MuseProjectile, fbtime)

    local bodyvel = Instance.new("BodyVelocity")
    bodyvel.MaxForce = Vector3.new(1e8, 1e8,1e8)
    bodyvel.Velocity = root.CFrame.LookVector * 80
    bodyvel.Parent = MuseProjectile

    local debounce = false
    MuseProjectile.Touched:Connect(function(hit)
        if hit:IsDescendantOf(char) then -- line that had the error
            return
        end

        if hit.Parent:IsA("Accoutrement") then
            hit = hit.Parent
        end

        local enemyhumanoid = hit.Parent:WaitForChild("Humanoid")
        local enemyroot = hit.Parent:WaitForChild("HumanoidRootPart")
        if enemyhumanoid and not debounce then
            debounce = true
            MuseProjectile:Destroy()
            local HitM = game.ReplicatedStorage.Fire:Clone()
            HitM.Parent = enemyroot
            task.spawn(function()
                task.wait(.5)
                HitM.Enabled = false
                task.wait(.6)
                HitM.Destroy()
            end)
            enemyhumanoid:TakeDamage(25)
            task.wait()
            debounce = false
        end
    end)
end)
0
what is colon? FallenAngel_ii 3 — 14d
0
colon is : T3_MasterGamer 845 — 13d
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Answered by 14 days ago

If you are using Instance.IsDescendantOf(), you have to specify the instance itself, like

--These two are the same
Instance.IsDescendantOf(Instance, char)
Instance:IsDescendantOf(char)

it automatically passes itself, useful for object-oriented programming

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