Error: UUID is empty

Settings example:
UUID a4909f59-2f1d-57c8-5c9d-95d9b05fb3ca
WS_PATH /g4x4um6i
XHTTP_PATH /36afd05a

WebSocket config.json:
https://mega-1i4.pages.dev/g4x4um6i/?fragment=true&uuid=a4909f59-2f1d-57c8-5c9d-95d9b05fb3ca

XHTTP config.json:
https://mega-1i4.pages.dev/36afd05a/?fragment=true&uuid=a4909f59-2f1d-57c8-5c9d-95d9b05fb3ca

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