Fatal error: Uncaught Error: Call to undefined function add_action() in /home/ykraanet/public_html/wp-content/plugins/schema-and-structured-data-for-wp/output/service.php:9 Stack trace: #0 /home/ykraanet/public_html/wp-content/plugins/schema-and-structured-data-for-wp/output/service.php(1946): saswp_output_service->saswp_service_hooks() #1 {main} thrown in /home/ykraanet/public_html/wp-content/plugins/schema-and-structured-data-for-wp/output/service.php on line 9