This is an extremely old site we are trying to keep working until we do a full redesign. Some updates were necessary to maintain compatibility with a WordPress update.
After the updates everything is working OK except for the content template for a custom post type Audiobooks.
Other content templates are working when they are in views.
Here is one of the pages in question: hidden link
It appears to be using the theme default template even though a custom template has been assigned with toolset.