Error: UUID is empty

Settings example:
UUID 9c3b3f48-c368-1581-eb6d-6a2e383b38a8
WS_PATH /16txs3qg
XHTTP_PATH /stcahh4h

WebSocket config.json:
https://nettya.pages.dev/16txs3qg/?fragment=true&uuid=9c3b3f48-c368-1581-eb6d-6a2e383b38a8

XHTTP config.json:
https://nettya.pages.dev/stcahh4h/?fragment=true&uuid=9c3b3f48-c368-1581-eb6d-6a2e383b38a8

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