Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/flexinettek/public_html/database/migrations/2018_11_29_115918_add_primary_key_in_system_table.php:7 Stack trace: #0 {main} thrown in /home/flexinettek/public_html/database/migrations/2018_11_29_115918_add_primary_key_in_system_table.php on line 7