Error: UUID is empty

Settings example:
UUID ece8ac89-b865-83ed-0a78-4b91cded965f
WS_PATH /m6vpcyns
XHTTP_PATH /st0xa4ay

WebSocket config.json:
https://mega-1i4.pages.dev/m6vpcyns/?fragment=true&uuid=ece8ac89-b865-83ed-0a78-4b91cded965f

XHTTP config.json:
https://mega-1i4.pages.dev/st0xa4ay/?fragment=true&uuid=ece8ac89-b865-83ed-0a78-4b91cded965f

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