Error: UUID is empty

Settings example:
UUID fbb57957-d429-4956-9023-5fbc1e8372f8
WS_PATH /kv2gq70s
XHTTP_PATH /l683y13v

WebSocket config.json:
https://giga-bkx.pages.dev/kv2gq70s/?fragment=true&uuid=fbb57957-d429-4956-9023-5fbc1e8372f8

XHTTP config.json:
https://giga-bkx.pages.dev/l683y13v/?fragment=true&uuid=fbb57957-d429-4956-9023-5fbc1e8372f8

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