Fatal error: Uncaught Error: Call to undefined function add_action() in /home/anirqfxq/public_html/wp-content/plugins/gutenberg/build/pages/site-editor-v2/page.php:317 Stack trace: #0 /home/anirqfxq/public_html/wp-content/plugins/gutenberg/build/pages.php(9): require_once() #1 {main} thrown in /home/anirqfxq/public_html/wp-content/plugins/gutenberg/build/pages/site-editor-v2/page.php on line 317