Error: UUID is empty

Settings example:
UUID 99d4fc9b-49d3-bfc6-5278-cc58784453d5
WS_PATH /wcbjti2a
XHTTP_PATH /ups4jmep

WebSocket config.json:
https://mega-1i4.pages.dev/wcbjti2a/?fragment=true&uuid=99d4fc9b-49d3-bfc6-5278-cc58784453d5

XHTTP config.json:
https://mega-1i4.pages.dev/ups4jmep/?fragment=true&uuid=99d4fc9b-49d3-bfc6-5278-cc58784453d5

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