Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/flighto/e-commerce2/packages/Webkul/CartRule/src/Database/Migrations/2019_05_13_024320_remove_tables.php:6 Stack trace: #0 {main} thrown in /home/flighto/e-commerce2/packages/Webkul/CartRule/src/Database/Migrations/2019_05_13_024320_remove_tables.php on line 6