Conflict between iPad Mini remote and on-screen

The last two times I set up playlists on my iPad remote, the list began playing fine, but at about Track 10, playback just stopped. Would not play from either the remote or from my display from my Mac Mini.

I shut down both, and restarted the on-screen. The playlist would then work. Didn’t used to be a conflict between the two, but now there is.

Any ideas?