Fatal error: Uncaught Error: Class 'Zend_XmlRpc_Value_Collection' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\XmlRpc\Value\Array.php:37 Stack trace: #0 {main} thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\XmlRpc\Value\Array.php on line 37