I was reading Matthew 20:1 and wanted to find out where else the phrase "kingdom of heaven" appeared so did a "search this resource" command from the right-click menu and got a good set of results as below:

I then wanted to look at earlier searches I had made and clicked on the down-arrow to the right of the pane

and selected the one at the top of the list which should have been the search I had just executed. (This wasn't how I found this problem but it demonstrates it!)
Instead of repeating the search a different passage range was selected as below:

This was a valid range - although using a different version - for the fourth search in the list which I had been carrying out to try and help resolve a problem reported by another forum member.
This is in 4.1B8
Graham