Hi, unfortunatly i could not reproduce the issue. There was no problem to watch the stream from qkdthd13.
[cli][info] Opening stream: sd (hls)
[cli][info] Starting player: C:\Program Files\VideoLAN\VLC\vlc.exe
Please try to replace the afreeca plugin in folder \Streamlink\pkgs\streamlink\plugins
https://xstreamloader.techweb.at/plugins/afreeca.pyGreets