Fatal error: Uncaught Error: Call to undefined function has_action() in /app/public/gfc/wp-content/plugins/classic-editor/classic-editor.php:42 Stack trace: #0 /app/public/gfc/wp-includes/class-wp-hook.php(341): Classic_Editor::init_actions('') #1 /app/public/gfc/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters(Object(WPMUDEV_BLC\Core\Loader), Array) #2 /app/public/gfc/wp-includes/plugin.php(522): WP_Hook->do_action(Array) #3 /app/public/gfc/wp-settings.php(622): do_action('plugins_loaded') #4 /app/public/gfc/wp-config.php(116): require_once('/app/public/gfc...') #5 /app/public/gfc/wp-load.php(50): require_once('/app/public/gfc...') #6 /app/public/gfc/wp-blog-header.php(13): require_once('/app/public/gfc...') #7 /app/public/gfc/index.php(17): require('/app/public/gfc...') #8 {main} thrown in /app/public/gfc/wp-content/plugins/classic-editor/classic-editor.php on line 42