value dosent change when a player left ,how to fix?

hello im making a house system but i have a problem when a player left the game here is the script

local casa = workspace.casaAvere
local text = script.Parent.test.teSTO.SurfaceGui.TextLabel
local name = script.Parent.test.teSTO.name
game.Players.PlayerRemoving:Connect(function(player)
    if player.Name == name.Value then
        text.Text = "house for sale ,give 50 bobux to bobux man"
        wait(.2)
        name.Value = nil
        wait(.2)
        casa.Value = false
    end
end)

there is the error Workspace.left1:8: invalid argument #3 (string expected, got nil)