So I'm making a fangame, and have many rooms, and to make a new room, I duplicate a room and delete the items in the layers, or sometimes put things in wrong layers and have to cut and paste them to the right layer, and every time I do a cut or delete an item, "Parent Directory Modified." Last time when I saved, it got rid of some of the code from the last room, and I have to re-write my textboxes. I'm not using a USB drive, it's my main...
My project keeps saying Project Directory Modified