Fatal error: Uncaught Error: Class 'GuzzleHttp\Psr7\Stream' not found in /home/app3/public_html/service/vendor/guzzlehttp/psr7/tests/ReadSeekOnlyStream.php:8 Stack trace: #0 {main} thrown in /home/app3/public_html/service/vendor/guzzlehttp/psr7/tests/ReadSeekOnlyStream.php on line 8