Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/alkhalaffamily/public_html/nopecommerce/database/migrations/2021_11_18_105042_create_levels_table.php:6 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/nopecommerce/database/migrations/2021_11_18_105042_create_levels_table.php on line 6