Hen parties / Pamper evenings

Fatal error: Uncaught Error: Call to undefined function mcrypt_encrypt() in /home/geofones/webapps/sall/wp-content/plugins/smart-user-slug-hider/inc/class-smart-user-slug-hider.php:259 Stack trace: #0 /home/geofones/webapps/sall/wp-content/plugins/smart-user-slug-hider/inc/class-smart-user-slug-hider.php(116): PP_Smart_User_Slug_Hider->encrypt(2) #1 /home/geofones/webapps/sall/wp-includes/class-wp-hook.php(286): PP_Smart_User_Slug_Hider->alter_link('https://www.sal...', 2, 'sally') #2 /home/geofones/webapps/sall/wp-includes/plugin.php(203): WP_Hook->apply_filters('https://www.sal...', Array) #3 /home/geofones/webapps/sall/wp-includes/author-template.php(361): apply_filters('author_link', 'https://www.sal...', 2, 'sally') #4 /home/geofones/webapps/sall/wp-content/themes/twentyten/functions.php(557): get_author_posts_url(2) #5 /home/geofones/webapps/sall/wp-content/themes/twentyten/loop-single.php(29): twentyten_posted_on() #6 /home/geofones/webapps/sall/wp-includes/template.php(690): require('/home/geofones/...') #7 /home/ in /home/geofones/webapps/sall/wp-content/plugins/smart-user-slug-hider/inc/class-smart-user-slug-hider.php on line 259