Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/www/desarrollo.credito506.com/wp-content/plugins/demo-importer-plus/inc/importers/class-demo-importer-plus-sites-helper.php:40
Stack trace:
#0 /home/www/desarrollo.credito506.com/wp-content/plugins/demo-importer-plus/inc/importers/class-demo-importer-plus-sites-helper.php(31): Demo_Importer_Plus_Sites_Helper->__construct()
#1 /home/www/desarrollo.credito506.com/wp-content/plugins/demo-importer-plus/inc/importers/class-demo-importer-plus-sites-helper.php(271): Demo_Importer_Plus_Sites_Helper::get_instance()
#2 {main}
thrown in /home/www/desarrollo.credito506.com/wp-content/plugins/demo-importer-plus/inc/importers/class-demo-importer-plus-sites-helper.php on line 40