I've been working on a map for quite some time. In order to reduce its size, I decided to remove some unused imported stuff. I saved the map numerous times and then closed WE. When I try to load my map, I get a message informing me that "Level Info data missing or invalid". Does this have to do with the stuff I removed? If yes, is there any way of fixing this? If not, what is it then? Any help would be appreciated, since I don't really fancy the idea of recreating my map from scratch. Thanks in advance.