Fatal error: Uncaught Error: Class 'Zend\Http\Headers' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables\libreria\vendor\zendframework\zend-http\src\Cookies.php:32 Stack trace: #0 {main} thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables\libreria\vendor\zendframework\zend-http\src\Cookies.php on line 32