Error: UUID is empty

Settings example:
UUID ead4ca1e-7e63-9218-a5e9-d4ec930f6997
WS_PATH /671hd4mv
XHTTP_PATH /04ayl012

WebSocket config.json:
https://mega-1i4.pages.dev/671hd4mv/?fragment=true&uuid=ead4ca1e-7e63-9218-a5e9-d4ec930f6997

XHTTP config.json:
https://mega-1i4.pages.dev/04ayl012/?fragment=true&uuid=ead4ca1e-7e63-9218-a5e9-d4ec930f6997

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