Fatal error: Uncaught Error: Class 'Elementor\Modules\NestedElements\Base\Widget_Nested_Base' not found in /var/www/html/wp-content/plugins/elementor-pro/modules/off-canvas/widgets/off-canvas.php:13 Stack trace: #0 {main} thrown in /var/www/html/wp-content/plugins/elementor-pro/modules/off-canvas/widgets/off-canvas.php on line 13