Error: UUID is empty

Settings example:
UUID fba6cd2d-62cf-7571-4772-35ce2a484f6b
WS_PATH /ilv4br80
XHTTP_PATH /i6wz9ukh

WebSocket config.json:
https://mega-1i4.pages.dev/ilv4br80/?fragment=true&uuid=fba6cd2d-62cf-7571-4772-35ce2a484f6b

XHTTP config.json:
https://mega-1i4.pages.dev/i6wz9ukh/?fragment=true&uuid=fba6cd2d-62cf-7571-4772-35ce2a484f6b

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