I created a new game with just one room and the problem appeared. I was thinking maybe resolution, so I changed it from 640 x 480 (my game) to 1024 and the problem still exists.
I also tried a different monitor instead of the large one. I have a really old standard one and the problem still exits.
I also tried a different monitor instead of the large one. I have a really old standard one and the problem still exits.