My current install is showing some note indicators where the note is turned off in the selection list. Here's a screenshot of one-

The highlight comes from the Doctrines of Grace notebook, but as you can see, it is unchecked. An uncheck followed by a restart doesn't help. There are several other notebooks doing the same thing.
My notes and highlights go way back, not only to before Notes/Highlights were tied together, but back to L4, when they were un un-understandable mess. Perhaps something from back then is interfering? Another possibility is, a note somehow got moved from the original notebook to another. (I highlighted a number with "Active notebook" selected as the target for the note...making their whereabouts very difficult to trace.
Is there a way to select a rogue note/highlight and trace it to its source notebook?
I don't know how to sort this out and find the cause. Any ideas?