Error: UUID is empty

Settings example:
UUID 0b06a2ca-c875-8d3d-9585-0977dee57dea
WS_PATH /cew8q90z
XHTTP_PATH /athk22cs

WebSocket config.json:
https://mega-1i4.pages.dev/cew8q90z/?fragment=true&uuid=0b06a2ca-c875-8d3d-9585-0977dee57dea

XHTTP config.json:
https://mega-1i4.pages.dev/athk22cs/?fragment=true&uuid=0b06a2ca-c875-8d3d-9585-0977dee57dea

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