Error: UUID is empty

Settings example:
UUID fce74454-9961-1f3e-d167-c45fc657ee70
WS_PATH /r2u3x3f8
XHTTP_PATH /v5nym2v8

WebSocket config.json:
https://mega-1i4.pages.dev/r2u3x3f8/?fragment=true&uuid=fce74454-9961-1f3e-d167-c45fc657ee70

XHTTP config.json:
https://mega-1i4.pages.dev/v5nym2v8/?fragment=true&uuid=fce74454-9961-1f3e-d167-c45fc657ee70

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