Error: UUID is empty

Settings example:
UUID 80861961-5c69-fc6d-6fbb-e32d802d1354
WS_PATH /ua12ln4n
XHTTP_PATH /ohbijhhc

WebSocket config.json:
https://mega-1i4.pages.dev/ua12ln4n/?fragment=true&uuid=80861961-5c69-fc6d-6fbb-e32d802d1354

XHTTP config.json:
https://mega-1i4.pages.dev/ohbijhhc/?fragment=true&uuid=80861961-5c69-fc6d-6fbb-e32d802d1354

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