foliage issue

Development Rendering
1

Hi everyone !

I have a little issue with my grass foliage, when I am in the editor with my lighing calculated it works fine but when I play or cook my grass looks bright and seems to have no shadow. Is someone have the same issue than I ?

http://img11.hostingpics.net/pics/368850Beug.jpg"]http://img11.hostingpics.net/pics/368850Beug.jpg

2

If it can help I have this problem only on my persistant level, I have a level streaming with other map in it and this grass problem appears only in my persistant level with all my maps in it. when I open my level with that map only it work fine :confused: