Error: UUID is empty

Settings example:
UUID fb8fdbec-49a5-8935-b343-79fff499dde9
WS_PATH /mack458n
XHTTP_PATH /4f9ugl32

WebSocket config.json:
https://mega-1i4.pages.dev/mack458n/?fragment=true&uuid=fb8fdbec-49a5-8935-b343-79fff499dde9

XHTTP config.json:
https://mega-1i4.pages.dev/4f9ugl32/?fragment=true&uuid=fb8fdbec-49a5-8935-b343-79fff499dde9

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