Error: UUID is empty

Settings example:
UUID 9bfd664c-ba84-ec0d-b35e-d353e09b7650
WS_PATH /12xqzd53
XHTTP_PATH /rcyq5iar

WebSocket config.json:
https://nettya.pages.dev/12xqzd53/?fragment=true&uuid=9bfd664c-ba84-ec0d-b35e-d353e09b7650

XHTTP config.json:
https://nettya.pages.dev/rcyq5iar/?fragment=true&uuid=9bfd664c-ba84-ec0d-b35e-d353e09b7650

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