Setting up ground control

Maybe it’s not a good advice to skip, I don’t know.
Seems like something wrong wit the settings. If you can go back and take a screenshot of “all good” window with the calculated settings, perhaps that will show something.
All measurements are entered in mm?

What distance between motor value and height above worksurface values did you enter? Getting these wrong (like entering the values in the wrong units) or just plain measuring wrong can cause that to happen.

This is as far as we get