Fatal error: Uncaught Error: Class "QuickBooksOnline\API\Data\IPPTransaction" not found in C:\xampp\htdocs\hannoole\PMS\vendor\quickbooks\v3-php-sdk\src\Data\IPPPurchaseByVendor.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hannoole\PMS\vendor\quickbooks\v3-php-sdk\src\Data\IPPPurchaseByVendor.php on line 12