Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/alterna/private_assets.alternalab.it/database/migrations/2019_02_14_154310_change_auto_increment_prefix_to_nullable.php:7 Stack trace: #0 {main} thrown in /home/alterna/private_assets.alternalab.it/database/migrations/2019_02_14_154310_change_auto_increment_prefix_to_nullable.php on line 7