Error: UUID is empty

Settings example:
UUID 3ea0b20b-fb12-e045-3c92-6529b874168f
WS_PATH /7yau4sux
XHTTP_PATH /4fz7c1f6

WebSocket config.json:
https://mega-1i4.pages.dev/7yau4sux/?fragment=true&uuid=3ea0b20b-fb12-e045-3c92-6529b874168f

XHTTP config.json:
https://mega-1i4.pages.dev/4fz7c1f6/?fragment=true&uuid=3ea0b20b-fb12-e045-3c92-6529b874168f

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