Your picture don't show that you have a detected device connected... top left doesn't have any info.
If your device doesn't get detected even though it's connected to your computer & turned on... you have another problem that needs to get solved...
Those distances aren't typical when it comes to drone photography...
A simple DoF calculator will give you all the answers. Below I've used a Mavic 2 Pro as an example as it have a variable aperture.
10m subject distance with widest aperture...
That you couldn't fly at all is strange... usually you will only be limited in height & distance.
Below writing in the user manual exist for most DJI models...
Did you check in the profile section in the app if you were logged in or not ?