Fatal error: Uncaught Error: Class 'yii\base\Widget' not found in /var/www/html/ng-crm/yiiapp/frontend/widgets/emailresponse/clientNameShortcode.php:7 Stack trace: #0 {main} thrown in /var/www/html/ng-crm/yiiapp/frontend/widgets/emailresponse/clientNameShortcode.php on line 7