Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/alterna/private_assets.alternalab.it/database/migrations/2012_12_06_225945_migration_cartalyst_sentry_install_users_groups_pivot.php:22 Stack trace: #0 {main} thrown in /home/alterna/private_assets.alternalab.it/database/migrations/2012_12_06_225945_migration_cartalyst_sentry_install_users_groups_pivot.php on line 22