Warning: preg_replace(): Unknown modifier '#' … on line 92

This message occured on a WP Event Manager page when logged out. I don’t know if this has something to do with CPT or if I’m at fault, but the event page (http://xn--omstllning-t5a.net/evenemang/odlingsgruppen-planeringstraff-1/) doesn’t contain any #hashes.

http://wordpress.org/plugins/hashbuddy/