Fatal error: Uncaught Error: Interface "Amp\ByteStream\OutputStream" not found in C:\xampp\htdocs\ducev\vendor\amphp\byte-stream\lib\Base64\Base64EncodingOutputStream.php:8
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\ducev\vendor\amphp\byte-stream\lib\Base64\Base64EncodingOutputStream.php on line 8