Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/myclienteu/dashboard/database/migrations/2018_01_25_083359_add_slack_user.php:7 Stack trace: #0 {main} thrown in /home/myclienteu/dashboard/database/migrations/2018_01_25_083359_add_slack_user.php on line 7