I just made an account since I could not find an answer to this problem I am having in After Effects.
Maybe some of you can help since most of the time I have found help from these forums.
When I add a shape or text layer AND add any text or a shape to it, the background becomes dark. Not full black, but about 50% opacity black. I don't know what is causing this and I need to get rid of the background. The video is not a 3D layer (which was about the only suggestion if found googling). This problem appeared suddenly and I think I just changed something by accident, but I don't know what.