Fatal error: Uncaught Error: Interface "Psr\Http\Message\UriInterface" not found in C:\xampp\htdocs\xlsss\vendorpdf - Copy\mpdf\psr-http-message-shim\src\Uri.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\xlsss\vendorpdf - Copy\mpdf\psr-http-message-shim\src\Uri.php on line 12