Void Glitch

Hey Jammers! This is just a strange technical error on AJ's part, but I thought you'd like to know and test it out for yourself. The trick is, when you put more than 20 or so flags on one spot in your den, there is a grey  void spot, that slowly grows into a rectangle. I can't figure out why it's there, just an absence of anything, try it out for yourselves! Watch as the void grows bigger and bigger: