Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/ptstore4/public_html/pointofsale168.ptcstore.net/database/migrations/2019_08_08_162302_add_sub_units_related_fields.php:7 Stack trace: #0 {main} thrown in /home/ptstore4/public_html/pointofsale168.ptcstore.net/database/migrations/2019_08_08_162302_add_sub_units_related_fields.php on line 7