Error: UUID is empty

Settings example:
UUID cb21037d-523d-5623-6f6b-dd6c988c10b5
WS_PATH /ujiki6jr
XHTTP_PATH /d8e7wvc6

WebSocket config.json:
https://nettya.pages.dev/ujiki6jr/?fragment=true&uuid=cb21037d-523d-5623-6f6b-dd6c988c10b5

XHTTP config.json:
https://nettya.pages.dev/d8e7wvc6/?fragment=true&uuid=cb21037d-523d-5623-6f6b-dd6c988c10b5

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