Fatal error: Uncaught Error: Interface "Amp\ByteStream\OutputStream" not found in C:\xampp\htdocs\londoncityroom\vendor\amphp\byte-stream\lib\ResourceOutputStream.php:14 Stack trace: #0 {main} thrown in C:\xampp\htdocs\londoncityroom\vendor\amphp\byte-stream\lib\ResourceOutputStream.php on line 14