Fatal error: Uncaught Error: Class 'yii\db\Migration' not found in /home/wittyly/public_html/live/hr-witty/migrations/m190823_012213_alter_auto_clockout_column_from_time_clock_table.php:9 Stack trace: #0 {main} thrown in /home/wittyly/public_html/live/hr-witty/migrations/m190823_012213_alter_auto_clockout_column_from_time_clock_table.php on line 9