RME map editor bug

hello I have a little problem with rme editor map for some time on each tab missing graphics for mapping I do not know why it happened

as you can see is only a few graphics and so on each tab
 

http://snap.ashampoo.com/xwRl7hrM

I will add that I have so each time the map editor, and regardless of whether I will remove it and all remnants of it, and so all the time is the problem


had someone can this problem and knows how to solve it?