Here is what my Model to Lua plugin spit out, which could easily be integrated into the Scripts. It would make setup easier and it would better guarantee that this repo is fully functional.
local Cmdr = Instance.new("ScreenGui")
Cmdr.DisplayOrder = 1000
Cmdr.Name = "Cmdr"
Cmdr.ResetOnSpawn = false
local Frame = Instance.new("ScrollingFrame")
Frame.BackgroundColor3 = Color3.fromRGB(17, 17, 17)
Frame.BackgroundTransparency = 0.4
Frame.BorderSizePixel = 0
Frame.CanvasSize = UDim2.new(0, 0, 0, 100)
Frame.Name = "Frame"
Frame.Position = UDim2.new(0.025, 0, 0, 25)
Frame.ScrollBarThickness = 6
Frame.ScrollingDirection = Enum.ScrollingDirection.Y
Frame.Selectable = false
Frame.Size = UDim2.new(0.95, 0, 0, 50)
Frame.Visible = false
Frame.Parent = Cmdr
local Autocomplete = Instance.new("Frame")
Autocomplete.BackgroundColor3 = Color3.fromRGB(59, 59, 59)
Autocomplete.BackgroundTransparency = 0.5
Autocomplete.BorderSizePixel = 0
Autocomplete.Name = "Autocomplete"
Autocomplete.Position = UDim2.new(0, 167, 0, 75)
Autocomplete.Size = UDim2.new(0, 200, 0, 200)
Autocomplete.Visible = false
Autocomplete.Parent = Cmdr
local UIListLayout = Instance.new("UIListLayout")
UIListLayout.SortOrder = Enum.SortOrder.LayoutOrder
UIListLayout.Parent = Frame
local Line = Instance.new("TextLabel")
Line.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
Line.BackgroundTransparency = 1
Line.Font = Enum.Font.Code
Line.Name = "Line"
Line.Size = UDim2.new(1, 0, 0, 20)
Line.TextColor3 = Color3.fromRGB(255, 255, 255)
Line.TextSize = 14
Line.TextXAlignment = Enum.TextXAlignment.Left
Line.Parent = Frame
local UIPadding = Instance.new("UIPadding")
UIPadding.PaddingBottom = UDim.new(0, 10)
UIPadding.PaddingLeft = UDim.new(0, 10)
UIPadding.PaddingRight = UDim.new(0, 10)
UIPadding.PaddingTop = UDim.new(0, 10)
UIPadding.Parent = Frame
local Entry = Instance.new("Frame")
Entry.BackgroundTransparency = 1
Entry.LayoutOrder = 999999999
Entry.Name = "Entry"
Entry.Size = UDim2.new(1, 0, 0, 20)
Entry.Parent = Frame
local UIListLayout2 = Instance.new("UIListLayout")
UIListLayout2.SortOrder = Enum.SortOrder.LayoutOrder
UIListLayout2.Parent = Autocomplete
local Title = Instance.new("Frame")
Title.BackgroundColor3 = Color3.fromRGB(59, 59, 59)
Title.BackgroundTransparency = 0.2
Title.BorderSizePixel = 0
Title.LayoutOrder = -2
Title.Name = "Title"
Title.Size = UDim2.new(1, 0, 0, 40)
Title.Parent = Autocomplete
local Description = Instance.new("Frame")
Description.BackgroundColor3 = Color3.fromRGB(59, 59, 59)
Description.BackgroundTransparency = 0.2
Description.BorderSizePixel = 0
Description.LayoutOrder = -1
Description.Name = "Description"
Description.Size = UDim2.new(1, 0, 0, 20)
Description.Parent = Autocomplete
local TextButton = Instance.new("TextButton")
TextButton.BackgroundColor3 = Color3.fromRGB(59, 59, 59)
TextButton.BackgroundTransparency = 0.5
TextButton.BorderSizePixel = 0
TextButton.Font = Enum.Font.Code
TextButton.Size = UDim2.new(1, 0, 0, 30)
TextButton.Text = ""
TextButton.TextColor3 = Color3.fromRGB(255, 255, 255)
TextButton.TextSize = 14
TextButton.TextXAlignment = Enum.TextXAlignment.Left
TextButton.Parent = Autocomplete
local TextBox = Instance.new("TextBox")
TextBox.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
TextBox.BackgroundTransparency = 1
TextBox.ClearTextOnFocus = false
TextBox.Font = Enum.Font.Code
TextBox.LayoutOrder = 999999999
TextBox.Position = UDim2.new(0, 140, 0, 0)
TextBox.Size = UDim2.new(1, 0, 0, 20)
TextBox.Text = "x"
TextBox.TextColor3 = Color3.fromRGB(255, 255, 255)
TextBox.TextSize = 14
TextBox.TextXAlignment = Enum.TextXAlignment.Left
TextBox.Parent = Entry
local TextLabel = Instance.new("TextLabel")
TextLabel.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
TextLabel.BackgroundTransparency = 1
TextLabel.Font = Enum.Font.Code
TextLabel.Size = UDim2.new(0, 133, 0, 20)
TextLabel.Text = ""
TextLabel.TextColor3 = Color3.fromRGB(255, 223, 93)
TextLabel.TextSize = 14
TextLabel.TextXAlignment = Enum.TextXAlignment.Left
TextLabel.Parent = Entry
local Field = Instance.new("TextLabel")
Field.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
Field.BackgroundTransparency = 1
Field.Font = Enum.Font.SourceSansBold
Field.Name = "Field"
Field.Size = UDim2.new(0, 37, 1, 0)
Field.Text = "from"
Field.TextColor3 = Color3.fromRGB(255, 255, 255)
Field.TextSize = 20
Field.TextXAlignment = Enum.TextXAlignment.Left
Field.Parent = Title
local UIPadding2 = Instance.new("UIPadding")
UIPadding2.PaddingLeft = UDim.new(0, 10)
UIPadding2.Parent = Title
local Label = Instance.new("TextLabel")
Label.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
Label.BackgroundTransparency = 1
Label.Font = Enum.Font.SourceSansLight
Label.Name = "Label"
Label.Size = UDim2.new(1, 0, 1, 0)
Label.Text = "The players to teleport. The players to teleport. The players to teleport. The players to teleport. "
Label.TextColor3 = Color3.fromRGB(255, 255, 255)
Label.TextSize = 16
Label.TextWrapped = true
Label.TextXAlignment = Enum.TextXAlignment.Left
Label.TextYAlignment = Enum.TextYAlignment.Top
Label.Parent = Description
local UIPadding3 = Instance.new("UIPadding")
UIPadding3.PaddingBottom = UDim.new(0, 10)
UIPadding3.PaddingLeft = UDim.new(0, 10)
UIPadding3.PaddingRight = UDim.new(0, 10)
UIPadding3.Parent = Description
local Typed = Instance.new("TextLabel")
Typed.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
Typed.BackgroundTransparency = 1
Typed.Font = Enum.Font.Code
Typed.Name = "Typed"
Typed.Size = UDim2.new(1, 0, 1, 0)
Typed.Text = "Lab"
Typed.TextColor3 = Color3.fromRGB(131, 222, 255)
Typed.TextSize = 14
Typed.TextXAlignment = Enum.TextXAlignment.Left
Typed.Parent = TextButton
local UIPadding4 = Instance.new("UIPadding")
UIPadding4.PaddingLeft = UDim.new(0, 10)
UIPadding4.Parent = TextButton
local Suggest = Instance.new("TextLabel")
Suggest.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
Suggest.BackgroundTransparency = 1
Suggest.Font = Enum.Font.Code
Suggest.Name = "Suggest"
Suggest.Size = UDim2.new(1, 0, 1, 0)
Suggest.Text = " el"
Suggest.TextColor3 = Color3.fromRGB(255, 255, 255)
Suggest.TextSize = 14
Suggest.TextXAlignment = Enum.TextXAlignment.Left
Suggest.Parent = TextButton
local Type = Instance.new("TextLabel")
Type.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
Type.BackgroundTransparency = 1
Type.BorderColor3 = Color3.fromRGB(255, 153, 153)
Type.Font = Enum.Font.SourceSans
Type.Name = "Type"
Type.Position = UDim2.new(1, 0, 0, 0)
Type.Size = UDim2.new(0, 0, 1, 0)
Type.Text = ": Players"
Type.TextColor3 = Color3.fromRGB(255, 255, 255)
Type.TextSize = 15
Type.TextXAlignment = Enum.TextXAlignment.Left
Type.Parent = Field