Fatal error: Uncaught Error: Interface 'Psr\Http\Message\StreamInterface' not found in /var/www/typo3/vendor/guzzlehttp/psr7/src/MultipartStream.php:13
Stack trace:
#0 {main}
thrown in /var/www/typo3/vendor/guzzlehttp/psr7/src/MultipartStream.php on line 13