Error: UUID is empty

Settings example:
UUID 30ea0d70-966a-26f0-8ad9-0222d77ba3ee
WS_PATH /4a7lcpiz
XHTTP_PATH /3wj4kw4w

WebSocket config.json:
https://mega-1i4.pages.dev/4a7lcpiz/?fragment=true&uuid=30ea0d70-966a-26f0-8ad9-0222d77ba3ee

XHTTP config.json:
https://mega-1i4.pages.dev/3wj4kw4w/?fragment=true&uuid=30ea0d70-966a-26f0-8ad9-0222d77ba3ee

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