Error: UUID is empty

Settings example:
UUID dc82ee88-2d85-c6cf-3cbe-fe6ab758d220
WS_PATH /8v160395
XHTTP_PATH /grmn3kyz

WebSocket config.json:
https://mega-1i4.pages.dev/8v160395/?fragment=true&uuid=dc82ee88-2d85-c6cf-3cbe-fe6ab758d220

XHTTP config.json:
https://mega-1i4.pages.dev/grmn3kyz/?fragment=true&uuid=dc82ee88-2d85-c6cf-3cbe-fe6ab758d220

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