Fatal error: Uncaught Error: Interface 'Psr\Http\Message\RequestInterface' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\vendor\guzzlehttp\psr7\src\Request.php:12 Stack trace: #0 {main} thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\vendor\guzzlehttp\psr7\src\Request.php on line 12