Fatal error: Uncaught Error: Call to undefined function add_action() in /home10/amoutsei/public_html/wp-content/plugins/gutenberg/build/modules.php:42 Stack trace: #0 /home10/amoutsei/public_html/wp-content/plugins/gutenberg/build/index.php(18): require_once() #1 {main} thrown in /home10/amoutsei/public_html/wp-content/plugins/gutenberg/build/modules.php on line 42