Missing SF Pro Fonts in Adobe XD file

I have an XD file that tells me I have missing fonts, but there are no objects that I can find that are associated with any of those fonts.  XD tells me that I have 3 missing fonts (SF Pro Text Regular, SF Pro Text Medium and SFProText Semibold).  When I right-click on one of those and select "Highlight on canvans", I am shown a bunch of blue rectanges with nothing in them, like this:

But when I try to select any of those rectangles or click anywhere on the screen, they all just disappear.  If I drag accross the entire artboard area, nothing is selected.  How am I supposed to figure out what text is in these text boxes, select them, change their attributes, or delete them?  Any help appreciated. 

I created a demonstration file by starting with the problematic XD prototype and deleting all objects/assets and deleting all artboards except for the two with the mystery missing fonts.  Of course, if you have these fonts on your system the issue may not present for you, but I'm not sure how else to showcase the problem.  In any case, when I try to attach the XD file directly to this post, I get the following error from the site: "The attachment's missingfontexample.xd content type (application/octet-stream) does not match its file extension and has been removed."  If someone can tell me how to share the file, I will do so.

Thanks for your help!

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