I missed an important shot yesterday because the Authorization Zone unlocking API is down or broken. I've requested and received AZ unlocking in the past without issue but yesterday there was nothing but a blank white box in the middle of the screen for a few minutes, which was eventually replaced by the error seen in the attached screenshot. I confirmed that it was connected to WiFi and I restarted both the controller and the aircraft but nothing helped.

What can be done to fix this?

Hi there. Thank you for reaching out and we're sorry for the trouble that this has caused. Kindly please coordinate this concern directly with our team by sending them a request at flysafe@dji.com . Thank you for your understanding and support.

i got the same problem.