Error: UUID is empty

Settings example:
UUID 16ec63f8-ec4d-f0da-a46e-7d90d4fb83e7
WS_PATH /a1xsss61
XHTTP_PATH /32a4y2lf

WebSocket config.json:
https://nettya.pages.dev/a1xsss61/?fragment=true&uuid=16ec63f8-ec4d-f0da-a46e-7d90d4fb83e7

XHTTP config.json:
https://nettya.pages.dev/32a4y2lf/?fragment=true&uuid=16ec63f8-ec4d-f0da-a46e-7d90d4fb83e7

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