Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /var/www/html/repo/invoicing-salepropos/database/migrations/2018_10_27_090857_add_coupon_to_sales_table.php:7 Stack trace: #0 {main} thrown in /var/www/html/repo/invoicing-salepropos/database/migrations/2018_10_27_090857_add_coupon_to_sales_table.php on line 7