Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/caistbuw/public_html/database/migrations/2018_12_14_103307_modify_system_table.php:6 Stack trace: #0 {main} thrown in /home/caistbuw/public_html/database/migrations/2018_12_14_103307_modify_system_table.php on line 6