Fatal error: Uncaught Error: Class "QuickBooksOnline\API\Core\Http\Serialization\AbstractEntity" not found in /home/wilpf/public_html/pms/vendor/quickbooks/v3-php-sdk/src/Core/Http/Serialization/SimpleEntity.php:7
Stack trace:
#0 {main}
thrown in /home/wilpf/public_html/pms/vendor/quickbooks/v3-php-sdk/src/Core/Http/Serialization/SimpleEntity.php on line 7