I keep getting this error even though there clearly should be no issue

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#1

So I have this code to make trees move. (The code is in StarterCharacterScripts). Every time I run it, it will break and say in the output “green is not a valid member of Model “Workspace.Trees.Tree””, even though all the trees have it inside of it. I used the same exact code in the past in one of my games and had no issue. I don’t know why it’s doing this now. I’m not much of a coder so I am not entirely sure how to fix this. If anyone knows, please help, thank you.

local RNS = game:GetService("RunService")
local PS = game:GetService("Players")

--@ config
local minimumDistance = 170

local rand = Random.new()
local trees = {}

for _,v in ipairs(workspace.Trees:GetChildren()) do
	local v2 = v.green

	trees[v2] = {
		X = 0,
		Z = 0,
		T = -99999,
		Seed = (rand:NextInteger(0, 20) / 10),
		Height = v2.Size.Y / 2,
		Position = Vector3.new(v2.Position.X, v2.Position.Y - 0.2, v2.Position.Z),
		CFRAME = v2.CFrame
	}
end

local player = PS.LocalPlayer

RNS.Stepped:Connect(function()
	for i,v in pairs(trees) do
		if player:DistanceFromCharacter(v.Position) <= minimumDistance then
			v.X = v.Position.X + (math.sin(v.T + (v.Position.X / 5)) * math.sin(v.T / 9)) / 3
			v.Z = v.Position.Z + (math.sin(v.T + (v.Position.Z / 6)) * math.sin(v.T / 12)) / 4
			i.CFrame = CFrame.new(v.X, v.Position.y, v.Z) * CFrame.Angles((v.Z - v.Position.Z)/v.Height, 0,(v.X-v.Position.x)/-v.Height)
			v.T += 0.04
		else
			i.CFrame = v.CFRAME
		end
	end
end)
#2

Given that this seems to be a local script, I would recommend doing

local v2 = v:WaitForChild("green")

as this makes the code wait until the part is loaded

#3

Thanks so much bro, this helped me a lot.