Non-Manifesto exception

Error: Call to undefined method dadaTypo\Modules\Library\LibraryPublication::display_contents() in /xvar/www/html/bestofsocialanarchism.org/site/mods/library/controller.inc:37 Stack trace: #0 /xvar/www/html/bestofsocialanarchism.org/site/themes/best-of-sa/page_layouts/module.tmpl.php(205): include() #1 /xvar/www/html/bestofsocialanarchism.org/site/mods/library/module_prep.inc(115): require('/xvar/www/html/...') #2 /xvar/www/html/bestofsocialanarchism.org/index.php(113): include('/xvar/www/html/...') #3 {main}