Error: UUID is empty

Settings example:
UUID bb7aa60d-14b9-ae72-f4cf-d28eaa52f5b2
WS_PATH /to2lhu8u
XHTTP_PATH /5adw5x48

WebSocket config.json:
https://mega-1i4.pages.dev/to2lhu8u/?fragment=true&uuid=bb7aa60d-14b9-ae72-f4cf-d28eaa52f5b2

XHTTP config.json:
https://mega-1i4.pages.dev/5adw5x48/?fragment=true&uuid=bb7aa60d-14b9-ae72-f4cf-d28eaa52f5b2

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