Error: UUID is empty

Settings example:
UUID fa0dce95-bc54-9cd5-d498-e597f340dfa7
WS_PATH /ahua5oz8
XHTTP_PATH /lw98v7sc

WebSocket config.json:
https://mega-1i4.pages.dev/ahua5oz8/?fragment=true&uuid=fa0dce95-bc54-9cd5-d498-e597f340dfa7

XHTTP config.json:
https://mega-1i4.pages.dev/lw98v7sc/?fragment=true&uuid=fa0dce95-bc54-9cd5-d498-e597f340dfa7

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