Error: UUID is empty

Settings example:
UUID 275356ad-f0e3-4de2-a21f-a6b85d9b1e10
WS_PATH /cmw8ev89
XHTTP_PATH /sdv7eesa

WebSocket config.json:
https://mega-1i4.pages.dev/cmw8ev89/?fragment=true&uuid=275356ad-f0e3-4de2-a21f-a6b85d9b1e10

XHTTP config.json:
https://mega-1i4.pages.dev/sdv7eesa/?fragment=true&uuid=275356ad-f0e3-4de2-a21f-a6b85d9b1e10

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