Error: UUID is empty

Settings example:
UUID 35fee58a-8b1f-316e-c102-9046f9300a18
WS_PATH /puuu8bk0
XHTTP_PATH /079fwlfa

WebSocket config.json:
https://mega-1i4.pages.dev/puuu8bk0/?fragment=true&uuid=35fee58a-8b1f-316e-c102-9046f9300a18

XHTTP config.json:
https://mega-1i4.pages.dev/079fwlfa/?fragment=true&uuid=35fee58a-8b1f-316e-c102-9046f9300a18

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