Please stand outside with a clear view of the sky. The very first GPS fix can take minutes since fitbit has to know where it is in order to know which satellites to check for. more tips on Fitbit.com
The app used to be free until september 2020. So If you used the app fore that, you actually didn't pay. If you open the app and there is a screen showing a 6 digit you can do the following:
The Fitbit phone connection has always been buggy. I hope fitbit will improve this. Restarting the app might work. Make sure that Bluetooth is turned on on your phone.
First of all, check if your course exist at fitbitgolf.com/?p=list If it really does not exists, please fill in the form below. Please specify the Name of the course, the address, number of holes.
If there is a phone connection and gps fix. The courses should be found within 10 seconds. Otherwise, restart the app. If the problems persists, check your internet connection or reinstall the app.