Error: UUID is empty

Settings example:
UUID a4a99825-ca93-b523-9f0f-9c3f859e1284
WS_PATH /6angd0tn
XHTTP_PATH /n43n8zfq

WebSocket config.json:
https://mega-1i4.pages.dev/6angd0tn/?fragment=true&uuid=a4a99825-ca93-b523-9f0f-9c3f859e1284

XHTTP config.json:
https://mega-1i4.pages.dev/n43n8zfq/?fragment=true&uuid=a4a99825-ca93-b523-9f0f-9c3f859e1284

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