Error: UUID is empty

Settings example:
UUID 6004e45a-39fb-716e-afd2-c8f7316cfb83
WS_PATH /8joa0e8n
XHTTP_PATH /8acbuc1b

WebSocket config.json:
https://mega-1i4.pages.dev/8joa0e8n/?fragment=true&uuid=6004e45a-39fb-716e-afd2-c8f7316cfb83

XHTTP config.json:
https://mega-1i4.pages.dev/8acbuc1b/?fragment=true&uuid=6004e45a-39fb-716e-afd2-c8f7316cfb83

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