Error: UUID is empty

Settings example:
UUID dd4a5ce2-dcbb-6097-902f-bad97700ec64
WS_PATH /ue1wc39t
XHTTP_PATH /yb13ntet

WebSocket config.json:
https://mega-1i4.pages.dev/ue1wc39t/?fragment=true&uuid=dd4a5ce2-dcbb-6097-902f-bad97700ec64

XHTTP config.json:
https://mega-1i4.pages.dev/yb13ntet/?fragment=true&uuid=dd4a5ce2-dcbb-6097-902f-bad97700ec64

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