PlayerGui is not a valid member of Player "Players.(TargetName)"?

Help and Feedback Scripting Support
1

In this case I have 2 persons involved, the local player denomined as (“Staff”) and the Target (stated with a textbox), now it comes that when the Staff press the buttom it fires the client to connect with a local script where GUI TweensPosition to new one for the Target, after attemping to give PlayerGui a value with :WaitForChild() or :FindFirstChild() I get same error.

Here are the scripts

Server Sided:

script.Parent.Parent.StaffPromptHandler.Purchase.MouseButton1Click:Connect(function()
	script.Parent.Parent.StaffPromptHandler:TweenPosition(UDim2.new(0.29, 0,-1.014, 0))
	wait(.5)
	MCI.Prompt:FireAllClients(Target,"CustomerHandler")
	print("sent command customer handler for:" .. Target.Name)
end)

LocalScript:

MCI.Prompt.OnClientEvent:Connect(function(Target, command)
	if command == "CustomerHandler" then
		local Text = script.Parent.System.Player.Text
		local Target = game:GetService("Players"):FindFirstChild(Text) 
		Target.PlayerGui.MCICustomerPromptHandler:TweenPosition(UDim2.new(0.29, 0,0.014, 0))
		print("Sent customer handler")
	end
end)

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2

That’s intended behavior, different players doesn’t have access to each other PlayerGui(and the server only has access to non-client UI inside PlayerGui). Therefore to tween the UI you must check if Target is equal to that specific local player:

if Target == game.Players.LocalPlayer then
	Target.PlayerGui.MCICustomerPromptHandler:TweenPosition(UDim2.new(0.29, 0,0.014, 0))
end

Although I assume this was supposed to only be sent to a single player. If that’s correct you must use MCI.Prompt:FireClient(Target, "CustomerHandler").

3

The thing, is that target is not the LocalPlayer, its one player reached out by a TextBox player finder.

4

The remote will fire for every player in the game, if one of them is that specific player the code runs, therefore tweening their UI.

5

Added that to code, using this:

if Target == game.Players.LocalPlayer then
print("local player")
else
Target.PlayerGui.MCI.CustomerHandler:TweenPositon(Udmi2.new(positon here))
end

And same error.