Fatal error: Uncaught Error: Class 'Zend_View_Helper_Abstract' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\View\Helper\UserAgent.php:33
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\View\Helper\UserAgent.php on line 33