Google Analytics and Fancybox

Hi,
the PDFs on https://www.suedwest-tresore.de/prospekte are no longer loaded in a fancybox (Easy FancyBox 1.6).
When I disable “Track outbound clicks and download links?” everything works.
What can I do? Thank you for help.

Regards, Chris

The page I need help with: [log in to see the link]