Error: UUID is empty

Settings example:
UUID a5152ac1-0bde-3816-af1f-42bf15fa4824
WS_PATH /uvyvhhki
XHTTP_PATH /pfu4mvst

WebSocket config.json:
https://mega-1i4.pages.dev/uvyvhhki/?fragment=true&uuid=a5152ac1-0bde-3816-af1f-42bf15fa4824

XHTTP config.json:
https://mega-1i4.pages.dev/pfu4mvst/?fragment=true&uuid=a5152ac1-0bde-3816-af1f-42bf15fa4824

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