Error: UUID is empty

Settings example:
UUID b0e93470-bd02-77c0-1af8-314116be30e4
WS_PATH /s6yn324j
XHTTP_PATH /y14zmuo4

WebSocket config.json:
https://mega-1i4.pages.dev/s6yn324j/?fragment=true&uuid=b0e93470-bd02-77c0-1af8-314116be30e4

XHTTP config.json:
https://mega-1i4.pages.dev/y14zmuo4/?fragment=true&uuid=b0e93470-bd02-77c0-1af8-314116be30e4

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