[17-Aug-2026 11:29:28 UTC] PHP Fatal error: Uncaught Error: Call to undefined function add_action() in /home/zahidind/naginapaints.com/wp-includes/blocks/heading/shortcode.php:35 Stack trace: #0 {main} thrown in /home/zahidind/naginapaints.com/wp-includes/blocks/heading/shortcode.php on line 35