My code works in studio test but not in-game? F9 console is blank

edit: fixed read last comment

I've looked at other questions similar to mine asked on this site, in fact that's what brought me here to ask instead of the Robloxforum. The general fix to the issue of scripts/guis not working in-game when they appear to work in studio is to use the F9 console, or dev console in-game to try and figure out the bug.

In my case, I can't see anything on the console in-game, as if my code isn't being picked up at ALL when loaded into the Roblox game.

Here is my code, it's been put in a Local Script and a normal Script with no difference in-game. I know it's extremely ineffective coding, but Roblox seems to have deprecated most of the features I used before taking a break.

TL;DR, Title - f9 console doesn't show anything

print("test")
PID = script.Parent.PokemonID.Value

function unselect()
    local children = script.Parent:GetChildren()
    for i = 1,#children do
        if children[i].ClassName == "ImageButton" and children[i].Chosen.Value == true then
            print("Unselected " .. children[i].Name)
            children[i].Chosen.Value = false
            children[i].BorderSizePixel = 2
            children[i].BorderColor3 = Color3.fromRGB(35,35,35)
            children[i]:TweenSize(UDim2.new(0, 80, 0, 80), "In", "Quad", .2)
        end
    end
end

script.Parent.P1.MouseButton1Click:connect(function()
    clicked = script.Parent.P1
    PID = clicked.PokemonID.Value
    unselect()
    clicked.Chosen.Value = true
    clicked.BorderSizePixel = 3
    clicked.BorderColor3 = Color3.fromRGB(57,141,230)
    clicked:TweenSize(UDim2.new(0, 90, 0, 90), "Out", "Quad", .2)
    print(PID)
    print(clicked.NameLabel.Text)
end)

script.Parent.P4.MouseButton1Click:connect(function()
    clicked = script.Parent.P4
    PID = clicked.PokemonID.Value
    unselect()
    clicked.Chosen.Value = true
    clicked.BorderSizePixel = 3
    clicked.BorderColor3 = Color3.fromRGB(57,141,230)
    clicked:TweenSize(UDim2.new(0, 90, 0, 90), "Out", "Quad", .2)
    print(PID)
    print(clicked.NameLabel.Text)
end)

script.Parent.P7.MouseButton1Click:connect(function()
    clicked = script.Parent.P7
    PID = clicked.PokemonID.Value
    unselect()
    clicked.Chosen.Value = true
    clicked.BorderSizePixel = 3
    clicked.BorderColor3 = Color3.fromRGB(57,141,230)
    clicked:TweenSize(UDim2.new(0, 90, 0, 90), "Out", "Quad", .2)
    print(PID)
    print(clicked.NameLabel.Text)
end)

script.Parent.P25.MouseButton1Click:connect(function()
    clicked = script.Parent.P25
    PID = clicked.PokemonID.Value
    unselect()
    clicked.Chosen.Value = true
    clicked.BorderSizePixel = 3
    clicked.BorderColor3 = Color3.fromRGB(57,141,230)
    clicked:TweenSize(UDim2.new(0, 90, 0, 90), "Out", "Quad", .2)
    print(PID)
    print(clicked.NameLabel.Text)
end)

Thanks.