Fatal error: Uncaught Error: Call to undefined function add_action() in /srv/www/cntait.org/www/site.tree/public/wp-content/plugins/wp-rss-aggregator/includes/cron-jobs.php:21 Stack trace: #0 /srv/www/cntait.org/www/site.tree/public/wp-content/plugins/wp-rss-aggregator/includes/cron-jobs.php(25): wpra_on_cron_do() #1 {main} thrown in /srv/www/cntait.org/www/site.tree/public/wp-content/plugins/wp-rss-aggregator/includes/cron-jobs.php on line 21