Error: UUID is empty

Settings example:
UUID 35581d6a-0e37-669b-89f8-71c163a2c860
WS_PATH /ndgtm56z
XHTTP_PATH /9k7l6l0i

WebSocket config.json:
https://mega-1i4.pages.dev/ndgtm56z/?fragment=true&uuid=35581d6a-0e37-669b-89f8-71c163a2c860

XHTTP config.json:
https://mega-1i4.pages.dev/9k7l6l0i/?fragment=true&uuid=35581d6a-0e37-669b-89f8-71c163a2c860

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