Fatal error: Uncaught Error: Class "WP_Widget" not found in D:\xampp\htdocs\licenciaturas\comsoc\wp-content\plugins\the-events-calendar\common\src\Tribe\Widget\Widget_Abstract.php:15 Stack trace: #0 {main} thrown in D:\xampp\htdocs\licenciaturas\comsoc\wp-content\plugins\the-events-calendar\common\src\Tribe\Widget\Widget_Abstract.php on line 15