I have been documenting a construction site for several months.  This location is shown to be within a 100' altitude approved area by my AirMap app.  When I started the project I had no issues.  However, the last several times I have visited this sight the DJI NFZ would not allow me to fly.  Typically, before this issue started, I could clear the NFZ by pulling back on the sticks to engage the rotors.  I would then receive the option to request a certificate to fly.  I would make the request and the NFZ was cleared.  Now I get this drop-down menu.  The United States is already filled in.  The next request is for my cell phone number.  When I enter my number the United States location is cleared.  I then have to scroll all the way down to the US and reselect.  This selection then clears the phone number I have just entered.  It is an endless circle jerk!  I also went into the app to refresh the licenses which the app claims were successful.  However, the red NFZ indication remains.  I have submitted several requests with DJI support to resolve this matter but thus far with no reply.  Any suggestions?