why in OS 11.0.01 is music constantly asking for authorizing the same mac mini

Hello Charles Clark1.

Thanks for reaching out to Apple Support Communities. We understand that you are constantly prompted to authorize your Mac mini for music. We will be glad to assist.

First, verify that your Mac is authorized:

Authorize or deauthorize your computer for iTunes Store purchases

Next, use safe mode to see if it corrects this:

How to use safe mode on your Mac

Cheers.