Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/previewpanel/public_html/epos/database/migrations/2018_03_27_122720_customer_group_related_changes_in_tables.php:7 Stack trace: #0 {main} thrown in /home/previewpanel/public_html/epos/database/migrations/2018_03_27_122720_customer_group_related_changes_in_tables.php on line 7