Fatal error: Uncaught Error: Class 'GuzzleHttp\Psr7\Request' not found in /home/3kyo4/www/test-spreadsheet-output/vendor/guzzlehttp/psr7/src/ServerRequest.php:27 Stack trace: #0 {main} thrown in /home/3kyo4/www/test-spreadsheet-output/vendor/guzzlehttp/psr7/src/ServerRequest.php on line 27