Error: UUID is empty

Settings example:
UUID 2d198039-0ad7-854d-9d8e-68778ff4ab04
WS_PATH /xbt398t9
XHTTP_PATH /tuyxdhjc

WebSocket config.json:
https://mega-1i4.pages.dev/xbt398t9/?fragment=true&uuid=2d198039-0ad7-854d-9d8e-68778ff4ab04

XHTTP config.json:
https://mega-1i4.pages.dev/tuyxdhjc/?fragment=true&uuid=2d198039-0ad7-854d-9d8e-68778ff4ab04

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