Fatal error: Uncaught Error: Call to undefined function add_action() in /home/mtcman/public_html/web/wp-content/plugins/page-layout-builder/modules/richtext/richtext.php:13 Stack trace: #0 {main} thrown in /home/mtcman/public_html/web/wp-content/plugins/page-layout-builder/modules/richtext/richtext.php on line 13