Cannot find an ad network adapter with the name(s): ( \"com.google.DummyAdapter\" ). Remember to link all required ad network adapters and SDKs, and se
For me, I was running iOS 14. I had to change my phone's settings in Settings > Privacy > Tracking, and enable Allow Apps To Request To Track.
Allow Apps To Request To Track
In addition, enabling this setting made my phone get an advertising ID (before it was all 0's). Without that, this page was useless.
advertising ID