500 error since latest version

Hi since the latest update I get this error:

Een fout van het type E_ERROR werd veroorzaakt op regelnummer 45 van het bestand /var/www/wordpress__4/wp-content/plugins/wordpress-seo/admin/class-helpscout.php. Foutmelding: Uncaught Error: Call to undefined method WPSEO_HelpScout::is_beacon_page() in /var/www/wordpress__4/wp-content/plugins/wordpress-seo/admin/class-helpscout.php:45
Stack trace:
#0 /var/www/wordpress__4/wp-content/plugins/wpseo-news/classes/wpseo-news.php(285): WPSEO_HelpScout->register_hooks()
#1 /var/www/wordpress__4/wp-includes/class-wp-hook.php(308): WPSEO_News->init_helpscout_beacon()
#2 /var/www/wordpress__4/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters()
#3 /var/www/wordpress__4/wp-includes/plugin.php(517): WP_Hook->do_action()
#4 /var/www/wordpress__4/wp-admin/admin.php(175): do_action()
#5 /var/www/wordpress__4/wp-admin/index.php(10): require_once(‘/var/www/wordpr…’)
#6 {main}
thrown