If you have a 2d Array and stores another array inside it causes a memory leak. Just execute the code below in a Step Event a couple of times. It's that simple.
@Rui Rosário, @FoxyOfJungle, @GMWolf, @kburkhart84, I found it. :bunny:
@TsukaYuriko, @Nocturne, should I open a a Bug Report?