Home Sharing. PC to iPhone, Apple TV and iPad

Hi all. I run iTunes on my PC (Win11) and all my music is in my iTunes media folder (steves library). I have Home Sharing enabled on the PC and can 'see' my music on my iPhone 7, Apple TV and Ipad. All fine all the time on TV and phone, but on my ipad (Ipad 7th gen. IpadOS 18.7.2), I select 'steves library', (under the 3 dots tab) and after a while the library is visible. But, later, when I go back into the app, under the 3 dots, I see that 'steves library' is deselected and 'My Library' is ticked. All are on the same home network of course.

Any ideas? Thanks for reading. SjH