My map torn black!

[Ansuz 0]

Hi people, like the title said, i havea problem with my map, when i get on it in game, the map have some kind of bug that while im walking around the map torning black:

 

 

Hope you guys can help me.

[Tokeiburu 229]

Not the same problem as described in this topic, but it's always the same answer :

 

http://herc.ws/board/topic/7293-need-help-regarding-my-edited-map/?p=44257