Fatal error: Uncaught Error: Call to undefined function add_action() in /home/anirqfxq/public_html/wp-content/plugins/gutenberg/build/scripts/block-library/post-navigation-link.php:139 Stack trace: #0 {main} thrown in /home/anirqfxq/public_html/wp-content/plugins/gutenberg/build/scripts/block-library/post-navigation-link.php on line 139