Fatal error: Uncaught Error: Class 'Zend_OpenId_Extension' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables\libreria\Zend\OpenId\Extension\Sreg.php:36 Stack trace: #0 {main} thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables\libreria\Zend\OpenId\Extension\Sreg.php on line 36