Fatal error: Uncaught Error: Interface 'Psr\Http\Message\StreamInterface' not found in /home/soh-works/www/websoket-sample/vendor/guzzlehttp/psr7/src/PumpStream.php:19
Stack trace:
#0 {main}
thrown in /home/soh-works/www/websoket-sample/vendor/guzzlehttp/psr7/src/PumpStream.php on line 19