So I was making something for my friend on iMovie 11 (I think) and i went to drag a clip from the event but it won't stay in the timeline. And When i try to play the project, Its the screen is Just gray. And when I play EVent clips, they play perfectly in the event timeline, but nothing will drag to the project timeline, nor will it play and its all just gray.
I really need to solve this fast.

Thank you-