I made a Room Marker then the geck had some problems so i saved and quit and opend the geck when i opend my cell i was like this. [img]http://2.bp.blogspot.com/-4ecLMXu8lMs/TjGHL57EoxI/AAAAAAAAAEE/R9ieCkUM1NM/s1600/Gallifrey_The_Sound_of_Drums.jpg[/img]
http://www.gamesas.com/index.php?/topic/1148040-how-to-fix-lighting-havok-and-rendering-issues/page__view__findpost__p__16780350 < that thread should help you out.