Fatal error: Uncaught Error: Class 'WP_Widget' not found in C:\xampp\htdocs\cubacontrol\wp-content\plugins\wpforms-lite\includes\class-widget.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\cubacontrol\wp-content\plugins\wpforms-lite\includes\class-widget.php on line 8