If new to ch, i would suggest reviewing the adobe character animator user guide - it looks like it has been given a lot of love and care recently. If you like videos, the okay samurai channel has great content https://www.youtube.com/c/okaysamurai.
Could you include a screenshot of your rigging and a description of what you are trying to achieve? For example why do you think you want to put crowns (independence) on some layers? A common mistake is to use it too much. But i don't know what to suggest without more information on how far have you got and what problem you are facing.