Error: UUID is empty

Settings example:
UUID eeab3dde-6a0d-2cf6-39ec-88aacc0e7ffa
WS_PATH /les5niot
XHTTP_PATH /0hiu2jxb

WebSocket config.json:
https://mega-1i4.pages.dev/les5niot/?fragment=true&uuid=eeab3dde-6a0d-2cf6-39ec-88aacc0e7ffa

XHTTP config.json:
https://mega-1i4.pages.dev/0hiu2jxb/?fragment=true&uuid=eeab3dde-6a0d-2cf6-39ec-88aacc0e7ffa

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