Duplicate address created - why?

Former Member
Former Member
I don't understand what BC is doing. . .
I created a New Folder with a New List.
Then imported a simple GPX file (which is a route with only a start and end point) into the New List.

It appears that BC duplicates the address if that address was previously visited.
Here's what how it appears after importing it:

How can one prevent duplicates such as those shown circled in red?