Ipad do not save workout to strava, nor to fit file properly

On my new ipad 7th gen can not get any saved properly workout. Fit files are generated by they are only 1KB (email transfer) not containing anything that could be uploaded without error to strava. I used do workout on PC but get ipad especially for some mobility purpose but not working

please help.

I had something similar. My workout yesterday on iPhone did not save to Zwift.

A stab in the dark, but is your iPad storage full?