Fatal error: Uncaught Error: Interface 'Zend_Serializer_Adapter_AdapterInterface' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Serializer\Adapter\AdapterAbstract.php:33 Stack trace: #0 {main} thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Serializer\Adapter\AdapterAbstract.php on line 33