Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/flexinettek/public_html/database/migrations/2018_10_22_114441_add_columns_for_variable_product_modifications.php:7 Stack trace: #0 {main} thrown in /home/flexinettek/public_html/database/migrations/2018_10_22_114441_add_columns_for_variable_product_modifications.php on line 7