Fatal error: Uncaught Error: Class 'yii\db\Migration' not found in /home/wittyly/public_html/live/hr-witty/migrations/m201110_030815_remove_unused_groups_on_property_groups_table.php:8
Stack trace:
#0 {main}
thrown in /home/wittyly/public_html/live/hr-witty/migrations/m201110_030815_remove_unused_groups_on_property_groups_table.php on line 8