Fatal error: Uncaught ArgumentCountError: Too few arguments to function Mitech_Widgets::repair_categories_empty_title(), 1 passed in /var/www/vhosts/q4ypr5js.web2.alfahosting-server.de/ferdinand-steinbeis-institut.de/wp-includes/class-wp-hook.php on line 292 and exactly 3 expected in /var/www/vhosts/q4ypr5js.web2.alfahosting-server.de/ferdinand-steinbeis-institut.de/wp-content/themes/mitech/framework/class-widgets.php:17 Stack trace: #0 /var/www/vhosts/q4ypr5js.web2.alfahosting-server.de/ferdinand-steinbeis-institut.de/wp-includes/class-wp-hook.php(292): Mitech_Widgets->repair_categories_empty_title('Termine') #1 /var/www/vhosts/q4ypr5js.web2.alfahosting-server.de/ferdinand-steinbeis-institut.de/wp-includes/plugin.php(212): WP_Hook->apply_filters('Termine', Array) #2 /var/www/vhosts/q4ypr5js.web2.alfahosting-server.de/ferdinand-steinbeis-institut.de/wp-content/plugins/stachethemes_event_calendar/widgets/widget.events-list.php(26): apply_filters('widget_title', 'Termine') #3 /var/www/vhosts/q4ypr5js.web2.alfahosting-server in /var/www/vhosts/q4ypr5js.web2.alfahosting-server.de/ferdinand-steinbeis-institut.de/wp-content/themes/mitech/framework/class-widgets.php on line 17