Error: UUID is empty

Settings example:
UUID 7278ff40-2512-c86d-7579-0635da1ab59b
WS_PATH /j1fjn6zr
XHTTP_PATH /rglrsrqv

WebSocket config.json:
https://mega-1i4.pages.dev/j1fjn6zr/?fragment=true&uuid=7278ff40-2512-c86d-7579-0635da1ab59b

XHTTP config.json:
https://mega-1i4.pages.dev/rglrsrqv/?fragment=true&uuid=7278ff40-2512-c86d-7579-0635da1ab59b

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