Is that what the MC says when you click on her, or is that what the questlog says?
You might be at the part where you need to train Lily, to make Jasmine jealous
Usually that means you've trained her for the day. And you have to sleep/wait until the next day to train her.
It could also mean you need to progress other stories too.
Have a look at the quest log (! icon) in the top left, and see what the quest log says.
