Error: UUID is empty

Settings example:
UUID 2d6c451b-d4b3-bbf3-e97c-7c1e336466dc
WS_PATH /katkacfa
XHTTP_PATH /w2p5je03

WebSocket config.json:
https://mega-1i4.pages.dev/katkacfa/?fragment=true&uuid=2d6c451b-d4b3-bbf3-e97c-7c1e336466dc

XHTTP config.json:
https://mega-1i4.pages.dev/w2p5je03/?fragment=true&uuid=2d6c451b-d4b3-bbf3-e97c-7c1e336466dc

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