Fatal error: Uncaught Error: Call to undefined function add_action() in /srv/www/comaea/public_html/wp-content/plugins/clear-cache-for-widgets/options-page.php:19 Stack trace: #0 /srv/www/comaea/public_html/wp-content/plugins/clear-cache-for-widgets/clear-cache-for-widgets.php(17): require_once() #1 {main} thrown in /srv/www/comaea/public_html/wp-content/plugins/clear-cache-for-widgets/options-page.php on line 19