Fatal error: Uncaught Error: Class 'yii\db\Migration' not found in /home/wittyly/public_html/live/hr-witty/migrations/m200208_021808_add_pms_reports_entry_in_module_navigation_table.php:9 Stack trace: #0 {main} thrown in /home/wittyly/public_html/live/hr-witty/migrations/m200208_021808_add_pms_reports_entry_in_module_navigation_table.php on line 9