Fatal error: Uncaught Error: Interface "Psr\Http\Message\StreamInterface" not found in /home/cp360482/public_html/yii2/vendor/mpdf/psr-http-message-shim/src/Stream.php:8 Stack trace: #0 {main} thrown in /home/cp360482/public_html/yii2/vendor/mpdf/psr-http-message-shim/src/Stream.php on line 8