Error: UUID is empty

Settings example:
UUID a459e630-5e33-dac5-fe66-9643cdd49b8f
WS_PATH /f2oqmn83
XHTTP_PATH /8r8mkvng

WebSocket config.json:
https://mega-1i4.pages.dev/f2oqmn83/?fragment=true&uuid=a459e630-5e33-dac5-fe66-9643cdd49b8f

XHTTP config.json:
https://mega-1i4.pages.dev/8r8mkvng/?fragment=true&uuid=a459e630-5e33-dac5-fe66-9643cdd49b8f

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