Fatal error: Uncaught Error: Class 'yii\db\Migration' not found in /home/wittyly/public_html/live/hr-witty/migrations/m201030_060115_add_col_display_name_on_account_contacts_tbl.php:8
Stack trace:
#0 {main}
thrown in /home/wittyly/public_html/live/hr-witty/migrations/m201030_060115_add_col_display_name_on_account_contacts_tbl.php on line 8