Fatal error: Uncaught Error: Class "yii\widgets\ActiveForm" not found in /home/apolo/public_html/sgdpr/vendor/kartik-v/yii2-widget-activeform/src/ActiveForm.php:49 Stack trace: #0 {main} thrown in /home/apolo/public_html/sgdpr/vendor/kartik-v/yii2-widget-activeform/src/ActiveForm.php on line 49