Error: UUID is empty

Settings example:
UUID c3c8e191-05a1-fe18-048f-b7a7b582cc62
WS_PATH /d4ju7f04
XHTTP_PATH /kblv2v4b

WebSocket config.json:
https://giga-bkx.pages.dev/d4ju7f04/?fragment=true&uuid=c3c8e191-05a1-fe18-048f-b7a7b582cc62

XHTTP config.json:
https://giga-bkx.pages.dev/kblv2v4b/?fragment=true&uuid=c3c8e191-05a1-fe18-048f-b7a7b582cc62

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