Fatal error: Uncaught Error: Class "QuickBooksOnline\API\Data\IPPVendor" not found in /home/addup/public_html/panel/vendor/quickbooks/v3-php-sdk/src/Data/IPPTaxAgency.php:14 Stack trace: #0 {main} thrown in /home/addup/public_html/panel/vendor/quickbooks/v3-php-sdk/src/Data/IPPTaxAgency.php on line 14