C# / DotNet DropBoxClient - Cannot List Contents of Public Shared Folder Anymore

Ran into an odd issue that appeared out of nowhere in code that has ran successfully for years:

...

var sharedMeta = await dbx.Sharing.GetSharedLinkMetadataAsync(dropBoxLink);
ListFolderResult sharedFiles = null;

if (sharedMeta.PathLower == null)

{

         var sharedLink = new SharedLink(dropBoxLink);  // This is a share link to public/view-only folder
         sharedFiles = await dbx.Files.ListFolderAsync("", sharedLink: sharedLink);  // This now throws an exception with an empty message

}
else

{
         sharedFiles = await dbx.Files.ListFolderAsync(sharedMeta.PathLower);

}

...

I'm not sure if there's an issue/outage with the API that's causing this, or a change to dbx that I'm not aware of, but any assistance would be appreciated so I can get this app back up and running.

Thanks!