Problem displaying levels in World Composition

Have a good day and good mood everyone, levels disappeared in the World Compositor. For some reason, only one main level is shown when hovering over a level, although 2 more levels have been added. Persistant Level is my Manhattan level. I have a game menu, I need the Manhattan level to be displayed when starting a new game. Tell me how to create new levels and so that a new game with the Manhattan level opens in the game menu?