Shadow Casting Problem

[anonymous_user_325d567a]

Iam new in unreal engine and i have downloaded unreal engine 4.10
but i have problem in shadow casting especially dynamic shadow casting
when i make any movable object or any kind of BSP like wall there is no shadows in the objects
how i can solve this problem
Thank You

and here is the problem and my setting

[Derzo]

You could also convert your bsp to static mesh, but that might not be very optional.