Fatal error: Uncaught Error: Using $this when not in object context in D:\xampp\htdocs\licenciaturas\comsoc\wp-content\plugins\the-events-calendar\common\src\admin-views\widgets\components\form.php:23 Stack trace: #0 {main} thrown in D:\xampp\htdocs\licenciaturas\comsoc\wp-content\plugins\the-events-calendar\common\src\admin-views\widgets\components\form.php on line 23