Tunespan broken after updating to iTunes 12.4
I recently updated to iTunes 12.4. Now Tunespan no longer links to the spanned library I had set on an external drive. I'm sure it's something I've done wrong but, to be honest, I've tried to understand Tunespan support docs but end being totally confused.
Do I need to now delete the library I had spanned on my external drive, redownload all the content I had spanned from iTunes again, and again respan it all.
Am I going to have to do this every time there's an iTunes update?
Thank you, I appreciate any help that can be given,