Error: UUID is empty

Settings example:
UUID e9238703-bd8c-dd01-57eb-3c5d9d3b07ae
WS_PATH /hjuf3hdn
XHTTP_PATH /4ahqzhud

WebSocket config.json:
https://mega-1i4.pages.dev/hjuf3hdn/?fragment=true&uuid=e9238703-bd8c-dd01-57eb-3c5d9d3b07ae

XHTTP config.json:
https://mega-1i4.pages.dev/4ahqzhud/?fragment=true&uuid=e9238703-bd8c-dd01-57eb-3c5d9d3b07ae

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