attempt to index nil with 'Value' in Roblox Studio?

m9ezzBym9ezz

Good day,

I wrote a script in Roblox Studio that destroys an object when it hits another specific object. It also adds money.

However, if the object collides with the other object, the following error occurs: attempt to index nil with 'Value'

This is the code:

 local values = script.Parent.Parent.Parent.Parent.Values script.Parent.Touched:Connect(function(hit) if hit.Name == "DropperPart" and hit:IsA("BasePart") then values.MoneyValue.Value += hit:FindFirstChild("CashValue").Value hit:Destroy() end end)
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LauraIDE
LauraIDE
1 year ago

The error “attempt to index null with “Value” occurs when you try to access a property or a method of a zero value. In this case, it might be that “hit:FindFirstChild(“CashValue”) returns zero because there is no child named “CashValue”. However, you can fix this if you check if “CashValue” exists before you access the “Value” property.

 local values = script.Parent.Parent.Parent.Parent.Values

script.Parent.Touched:Connect(function(hit)
	if hit.Name == "DropperPart" and hit:IsA("BasePart") then
		local cashValue = hit:FindFirstChild("CashValue")
		if cashValue then
			values.MoneyValue.Value += cashValue.Value
			hit:Destroy()
		end
	end
end)

This revised code first checks whether “CashValue” exists (i.e.,

cashValue

is not zero). If “CashValue” exists, then its “Value” property is accessed.

0
Kelec
Kelec
1 year ago

Without knowing Roblox specifically now, I would suspect that

hit:FindFirstChild("CashValue")

Nil delivers. Nil usually means in this context that no child exists with the name “CashValue”.

0