Error: UUID is empty

Settings example:
UUID f904ed31-ea20-5132-f1ce-1591bf9746e8
WS_PATH /4vtxwx8g
XHTTP_PATH /cqr3gyau

WebSocket config.json:
https://nettya.pages.dev/4vtxwx8g/?fragment=true&uuid=f904ed31-ea20-5132-f1ce-1591bf9746e8

XHTTP config.json:
https://nettya.pages.dev/cqr3gyau/?fragment=true&uuid=f904ed31-ea20-5132-f1ce-1591bf9746e8

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