I have a boolvalue thats ment to set its value to true when the game starts but I get the error "ALIVE is not a valid member of Backpack "Players.Hack999kh.Backpack" every time i test it
for i,v in pairs(game.Players:GetPlayers()) do v.Backpack.ALIVE = true end
thats the script I've changed the name but still nothing works https://i.imgur.com/CBkHvLf.png
This is probably because the BoolValue has not loaded in yet. You could fix this by using :WaitForChild(). By the way you forgot the .Value!
for i, v in pairs(game.Players:GetPlayers()) do v.Backpack:WaitForChild("ALIVE").Value = true end