What should I do to fix this problem?
It seems to unlock the GPS.

hello,
I am trying mavsdk example.
After run the docker,

I execute

./start-mavsdk-server.sh

And, I got the message shows bellow.

after that, I execute

python3 takeoff_and_land2.py udp://:14551

after that, I got the message shows bellow.

What problem do I encounter and how to solve it ?

after one day, when I go back to lab, it is connected. It seems ok now.
But I would like to know, which service should be turn on?

I have already setup the ip address according to the website, but still fail to connect.
https://docs.modalai.com/qgc-wifi/

QGC always show waiting for vehicle connection.
/home/rvl/Pictures/Screenshot from 2021-12-28 14-23-55.jpg