Error: UUID is empty

Settings example:
UUID 50006266-c603-1d42-aec7-51eb39d7c7f5
WS_PATH /4vyqzjap
XHTTP_PATH /hys3kuky

WebSocket config.json:
https://mega-1i4.pages.dev/4vyqzjap/?fragment=true&uuid=50006266-c603-1d42-aec7-51eb39d7c7f5

XHTTP config.json:
https://mega-1i4.pages.dev/hys3kuky/?fragment=true&uuid=50006266-c603-1d42-aec7-51eb39d7c7f5

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