Error: UUID is empty

Settings example:
UUID f8db9671-e9cd-799f-8bb9-f6e0900402ec
WS_PATH /cqelhffa
XHTTP_PATH /5am6ya1b

WebSocket config.json:
https://nettya.pages.dev/cqelhffa/?fragment=true&uuid=f8db9671-e9cd-799f-8bb9-f6e0900402ec

XHTTP config.json:
https://nettya.pages.dev/5am6ya1b/?fragment=true&uuid=f8db9671-e9cd-799f-8bb9-f6e0900402ec

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