Error: UUID is empty

Settings example:
UUID f8cb1fbc-0695-4f67-deb7-19987917ae9e
WS_PATH /20ev7amc
XHTTP_PATH /lyhyfitk

WebSocket config.json:
https://mega-1i4.pages.dev/20ev7amc/?fragment=true&uuid=f8cb1fbc-0695-4f67-deb7-19987917ae9e

XHTTP config.json:
https://mega-1i4.pages.dev/lyhyfitk/?fragment=true&uuid=f8cb1fbc-0695-4f67-deb7-19987917ae9e

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