Error: UUID is empty

Settings example:
UUID f42ffa8a-b349-8f72-5baa-ab93a485b5be
WS_PATH /x07xnnwk
XHTTP_PATH /r7p9a6ne

WebSocket config.json:
https://mega-1i4.pages.dev/x07xnnwk/?fragment=true&uuid=f42ffa8a-b349-8f72-5baa-ab93a485b5be

XHTTP config.json:
https://mega-1i4.pages.dev/r7p9a6ne/?fragment=true&uuid=f42ffa8a-b349-8f72-5baa-ab93a485b5be

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