Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/nextgenc/shieldlink.app/inventory/database/migrations/2014_08_17_083523_make_location_id_nullable.php:6 Stack trace: #0 {main} thrown in /home/nextgenc/shieldlink.app/inventory/database/migrations/2014_08_17_083523_make_location_id_nullable.php on line 6