Fatal error: Uncaught Error: Class 'Zend_View_Helper_Navigation_HelperAbstract' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\View\Helper\Navigation\Menu.php:37
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\View\Helper\Navigation\Menu.php on line 37