[Theme: Reflection] Archives page error

This seemed to start happening with 3.1
Fatal error: Call to a member function getThumbnailHref() on a non-object in /home/telara/public_html/wp-content/themes/reflectionmod/archive.php on line 84

Theme: https://www.sudeepmandal.com/projects/reflection-mod-photoblog-theme-wordpress/

Anyone know how to fix this? archives.php is

[code moderated as per forum rules - please use the pastebin]