Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Factories\Factory" not found in /home1/aihika/public_html/kastabhanjan-traders/database/factories/BillFactory.php:14 Stack trace: #0 {main} thrown in /home1/aihika/public_html/kastabhanjan-traders/database/factories/BillFactory.php on line 14