Fatal error: Uncaught Error: Class "common\components\ActiveRecord" not found in /home/tandomain/projects.codersinsight.co.tz/hrsystem/common/models/CandidateNotification.php:20 Stack trace: #0 {main} thrown in /home/tandomain/projects.codersinsight.co.tz/hrsystem/common/models/CandidateNotification.php on line 20