Fatal error: Uncaught Error: Class 'Zend_Http_UserAgent_Exception' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Http\UserAgent\Storage\Exception.php:35 Stack trace: #0 {main} thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Http\UserAgent\Storage\Exception.php on line 35