Error: UUID is empty

Settings example:
UUID f2751d58-d5b0-aa53-78c7-b3807076cb76
WS_PATH /z8gdhh5u
XHTTP_PATH /04a87n0s

WebSocket config.json:
https://mega-1i4.pages.dev/z8gdhh5u/?fragment=true&uuid=f2751d58-d5b0-aa53-78c7-b3807076cb76

XHTTP config.json:
https://mega-1i4.pages.dev/04a87n0s/?fragment=true&uuid=f2751d58-d5b0-aa53-78c7-b3807076cb76

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