Fatal error: Uncaught Error: Class "yii\base\Action" not found in /home/apolo/public_html/sgdpr/vendor/kartik-v/yii2-widget-depdrop/DepDropAction.php:66 Stack trace: #0 {main} thrown in /home/apolo/public_html/sgdpr/vendor/kartik-v/yii2-widget-depdrop/DepDropAction.php on line 66