Fatal error: Uncaught Error: Class "Yii" not found in /home/tandomain/projects.codersinsight.co.tz/hrsystem/vendor/2amigos/yii2-file-upload-widget/src/views/uploadButton.php:8 Stack trace: #0 {main} thrown in /home/tandomain/projects.codersinsight.co.tz/hrsystem/vendor/2amigos/yii2-file-upload-widget/src/views/uploadButton.php on line 8