Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/alterna/private_assets.alternalab.it/database/migrations/2017_01_25_063357_fix_utf8_custom_field_column_names.php:37 Stack trace: #0 {main} thrown in /home/alterna/private_assets.alternalab.it/database/migrations/2017_01_25_063357_fix_utf8_custom_field_column_names.php on line 37