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