Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/caistbuw/public_html/database/migrations/2019_11_09_110522_add_indexing_to_lot_number.php:7 Stack trace: #0 {main} thrown in /home/caistbuw/public_html/database/migrations/2019_11_09_110522_add_indexing_to_lot_number.php on line 7