Fatal error: Uncaught Error: Class "yii\base\Widget" not found in /home/tandomain/projects.codersinsight.co.tz/hrsystem/vendor/2amigos/yii2-gallery-widget/src/Gallery.php:21 Stack trace: #0 {main} thrown in /home/tandomain/projects.codersinsight.co.tz/hrsystem/vendor/2amigos/yii2-gallery-widget/src/Gallery.php on line 21