Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /var/www/html/database/migrations/2020_12_18_153120_add_order_documents.php:7 Stack trace: #0 {main} thrown in /var/www/html/database/migrations/2020_12_18_153120_add_order_documents.php on line 7