Fatal error: Uncaught Error: Class 'Zend_View_Helper_Placeholder_Container_Abstract' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\View\Helper\Placeholder\Container.php:34 Stack trace: #0 {main} thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\View\Helper\Placeholder\Container.php on line 34