Fatal error: Uncaught Error: Class 'Zend_Gdata_App_Extension_Element' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Gdata\Gbase\Extension\BaseAttribute.php:37
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Gdata\Gbase\Extension\BaseAttribute.php on line 37