Fatal error: Uncaught Error: Class 'Zend_Service_Abstract' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Service\Amazon\Abstract.php:38 Stack trace: #0 {main} thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Service\Amazon\Abstract.php on line 38