Error: UUID is empty

Settings example:
UUID 17ef2046-1261-4b43-f33f-1e9dfb2e7783
WS_PATH /bf5lyrcl
XHTTP_PATH /3ho1j8u7

WebSocket config.json:
https://mega-1i4.pages.dev/bf5lyrcl/?fragment=true&uuid=17ef2046-1261-4b43-f33f-1e9dfb2e7783

XHTTP config.json:
https://mega-1i4.pages.dev/3ho1j8u7/?fragment=true&uuid=17ef2046-1261-4b43-f33f-1e9dfb2e7783

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