Error: UUID is empty

Settings example:
UUID 764948cd-0b68-d32c-0b97-190afc7d5003
WS_PATH /nwgur6y8
XHTTP_PATH /4rz7635w

WebSocket config.json:
https://mega-1i4.pages.dev/nwgur6y8/?fragment=true&uuid=764948cd-0b68-d32c-0b97-190afc7d5003

XHTTP config.json:
https://mega-1i4.pages.dev/4rz7635w/?fragment=true&uuid=764948cd-0b68-d32c-0b97-190afc7d5003

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