Error: UUID is empty

Settings example:
UUID 7b20a0bb-aaf9-4bed-ba5b-7501fddcd006
WS_PATH /ui693olb
XHTTP_PATH /5701yehj

WebSocket config.json:
https://mega-1i4.pages.dev/ui693olb/?fragment=true&uuid=7b20a0bb-aaf9-4bed-ba5b-7501fddcd006

XHTTP config.json:
https://mega-1i4.pages.dev/5701yehj/?fragment=true&uuid=7b20a0bb-aaf9-4bed-ba5b-7501fddcd006

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