Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/revitysolutions/Dev.revitysolutions.com/waqas/wp-includes/block-supports/elements.php:231 Stack trace: #0 {main} thrown in /home/revitysolutions/Dev.revitysolutions.com/waqas/wp-includes/block-supports/elements.php on line 231