Error: UUID is empty

Settings example:
UUID 9c91a8e4-048e-6093-49c0-555324cdc9e8
WS_PATH /fxi78o2k
XHTTP_PATH /640oph7k

WebSocket config.json:
https://mega-1i4.pages.dev/fxi78o2k/?fragment=true&uuid=9c91a8e4-048e-6093-49c0-555324cdc9e8

XHTTP config.json:
https://mega-1i4.pages.dev/640oph7k/?fragment=true&uuid=9c91a8e4-048e-6093-49c0-555324cdc9e8

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