How to deal with artist's block?
Depends on what your problem is:

If you have too many ideas and cannot commit to one, I would recommend sketching out thumbnails to then decide which one.

If you feel like none of your ideas are good enough, I would recommend doing something simple to warm up. Draw the room around you or do some still life or draw a character doing something dumb.

If you feel like you are forcing yourself to draw, just do something else. Play a game or go for a walk. Nobody's forcing you do draw (unless somebody is, and that's a different situation), so just chill.

What I do to prevent this situation: I keep a written list of ideas of things to draw when I got nothing else to draw. It has all my ideas from "eyeball people" to "3pp woods backligting sunset Wirt &amp; Greg." I also have a list of challenges and things to get better at. But if I don't feel like doing any of these lists, I do something else.