Fatal error: Uncaught Error: Class "Model" not found in C:\xampp\htdocs\yxs.sciensources.com\chain\Backend\Chain\Merchant\MerchantModel.php:6 Stack trace: #0 {main} thrown in C:\xampp\htdocs\yxs.sciensources.com\chain\Backend\Chain\Merchant\MerchantModel.php on line 6