Index field ? A nil value

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1

I do not understand what I’m doing wrong.
This is my error:
Workspace.Earthquake:19: attempt to index field ‘?’ (a nil value)
if Parts[x].Parent == nil then This is the piece of code it errored me for
I looked for solutions, but none of them seemed to help.

local shakeVal = script.shakeVal
shkMagnitude = 200-script.ShakeMagnitude.Value -- change up here if value increase; change the literal value too
function GetParts(h)
	local g = h:GetChildren()
	for z = 1, #g do
		if g[z]:IsA("Folder") or g[z]:IsA("Configuration") or g[z]:IsA("Model") then
			GetParts(g[z])
		elseif g[z]:IsA("MeshPart") or g[z]:IsA("UnionOperation") or g[z]:IsA("SpawnLocation") or g[z]:IsA("WedgePart") or g[z]:IsA("CornerWedgePart") or g[z]:IsA("Part") then
			table.insert(Parts,z,g[z])
		end
	end
end
GetParts(workspace.EarthquakeArea)
print("nice")
wait(1)
repeat
for x = 1, #Parts do
	if Parts[x].Parent == nil then
		warn("Parts: "..Parts[x]:GetFullName().." Is already destroyed by something!")
	else
		print(Parts[x]:GetFullName())
		local copy = game.ReplicatedStorage.TouchDamage:Clone()
		copy.Parent = Parts[x]
		Parts[x].Anchored = false
		Parts[x]:BreakJoints()
		Parts[x].RotVelocity = Vector3.new(0,shakeVal.Value,0) -- change shakeVal for rotation speed (default 5)
		wait()
		Parts[x].RotVelocity = Vector3.new(0,0,0)
1 Like
2

Try if not Parts[x].Parent then

3

I got the same error at the same time.

4

Basically, this error means that Parts[x] is nil.
A quick fix for if you can’t find why it’s nil would be to replace if Parts[x].Parent == nil then with if Parts[x] and not Parts[x].Parent then. Essentially what this does is check if Parts[x] exists before checking if it has a parent or not.

5

I think you’re trying to return the full name on line 19, but as it has no parent it has no location in the Explorer.

6

You’re correct, for the most part.
What happened once I’ve implemented this, code that started with Parts[x] errored, same error.

Parts[x].Anchored = false
Parts[x]:BreakJoints()

And more. I found this out by removing each individual line of code, and all of the Parts[x]. lines were errored.

7

My apologies, I didn’t notice that it indexed Parts[x] in the else statement too. In this case, you should wrap the entire for loop in an if statement checking if Parts[x] exists, like this:

for x = 1, #Parts do
	if Parts[x] then
		if Parts[x].Parent == nil then
			warn("Parts: "..Parts[x]:GetFullName().." Is already destroyed by something!")
		else
			print(Parts[x]:GetFullName())
			local copy = game.ReplicatedStorage.TouchDamage:Clone()
			copy.Parent = Parts[x]
			Parts[x].Anchored = false
			Parts[x]:BreakJoints()
			Parts[x].RotVelocity = Vector3.new(0,shakeVal.Value,0) -- change shakeVal for rotation speed (default 5)
			wait()
			Parts[x].RotVelocity = Vector3.new(0,0,0)
			-- Whatever code was cut off in the snippet given in the original post
		end
	end
end
1 Like
8

Thank you so much! You saved me a lot of brain hurting, thanks!

1 Like