Error: UUID is empty

Settings example:
UUID 4dbbe18c-4a87-46f8-becc-9e7fa6720250
WS_PATH /j2sdaahn
XHTTP_PATH /5jqym4xl

WebSocket config.json:
https://mega-1i4.pages.dev/j2sdaahn/?fragment=true&uuid=4dbbe18c-4a87-46f8-becc-9e7fa6720250

XHTTP config.json:
https://mega-1i4.pages.dev/5jqym4xl/?fragment=true&uuid=4dbbe18c-4a87-46f8-becc-9e7fa6720250

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