Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Factories\Factory" not found in /home1/aihika/public_html/kastabhanjan-traders/database/factories/BillDetailFactory.php:12 Stack trace: #0 {main} thrown in /home1/aihika/public_html/kastabhanjan-traders/database/factories/BillDetailFactory.php on line 12