Error: UUID is empty

Settings example:
UUID 856e22f9-c781-8ff2-e1f6-f63ca08260e7
WS_PATH /ifiqp3l9
XHTTP_PATH /5ue58e6y

WebSocket config.json:
https://mega-1i4.pages.dev/ifiqp3l9/?fragment=true&uuid=856e22f9-c781-8ff2-e1f6-f63ca08260e7

XHTTP config.json:
https://mega-1i4.pages.dev/5ue58e6y/?fragment=true&uuid=856e22f9-c781-8ff2-e1f6-f63ca08260e7

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