If anyone out there is really great with troubleshooting LibreOffice and its macro functionality, could you please take a look at this?
https://bugs.documentfoundation.org/show_bug.cgi?id=165903
Update: I wound up possibly solving my own problem, though the solution is wonky and involves using Version 6 instead of Version 25.x (I forget the number).
Here's my comment about that on the bug report:
https://bugs.documentfoundation.org/show_bug.cgi?id=165903#c5