Fatal error: Uncaught Error: Interface 'Psr\Http\Message\RequestInterface' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\vendor\zendframework\zend-diactoros\src\Request.php:21
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\vendor\zendframework\zend-diactoros\src\Request.php on line 21