Fatal error: Uncaught Error: Class 'yii\base\Widget' not found in /home/trafqete/public_html/vendor/kartik-v/yii2-social/src/Widget.php:21 Stack trace: #0 {main} thrown in /home/trafqete/public_html/vendor/kartik-v/yii2-social/src/Widget.php on line 21