Fatal error: Uncaught Error: Interface "React\Stream\ReadableStreamInterface" not found in /home/itcarrot/public_html/funk-uberdachung-muc.de/vendor/react/stream/src/DuplexStreamInterface.php:37 Stack trace: #0 {main} thrown in /home/itcarrot/public_html/funk-uberdachung-muc.de/vendor/react/stream/src/DuplexStreamInterface.php on line 37