Answer
Answer
So, Apple beat us to it. The sermon download problem which Apple caused with iOS 15.1.1 was fixed in their iOS 15.2 update, which was just released.
Answered
Thanks for reporting this. Something in the iOS 15.1.1 update is causing a problem with downloads in AC Central. Our developers will be looking into and fixing this ASAP.
Customer support service by UserEcho
So, Apple beat us to it. The sermon download problem which Apple caused with iOS 15.1.1 was fixed in their iOS 15.2 update, which was just released.