Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/caistbuw/public_html/database/migrations/2019_07_15_165136_add_fields_for_combo_product.php:8 Stack trace: #0 {main} thrown in /home/caistbuw/public_html/database/migrations/2019_07_15_165136_add_fields_for_combo_product.php on line 8