Error: UUID is empty

Settings example:
UUID 4bb56e5c-df78-70df-9a76-da5b500f75fe
WS_PATH /i80nn9s4
XHTTP_PATH /gkn4til8

WebSocket config.json:
https://nettya.pages.dev/i80nn9s4/?fragment=true&uuid=4bb56e5c-df78-70df-9a76-da5b500f75fe

XHTTP config.json:
https://nettya.pages.dev/gkn4til8/?fragment=true&uuid=4bb56e5c-df78-70df-9a76-da5b500f75fe

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