Error: UUID is empty

Settings example:
UUID c4e476c8-8c0c-eed1-1830-90d80e9bbec2
WS_PATH /rac2xz09
XHTTP_PATH /zdo3wn43

WebSocket config.json:
https://giga-bkx.pages.dev/rac2xz09/?fragment=true&uuid=c4e476c8-8c0c-eed1-1830-90d80e9bbec2

XHTTP config.json:
https://giga-bkx.pages.dev/zdo3wn43/?fragment=true&uuid=c4e476c8-8c0c-eed1-1830-90d80e9bbec2

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