Error: UUID is empty

Settings example:
UUID e64a202c-51a2-7bbe-1209-4db1807db9db
WS_PATH /9mc2ucmi
XHTTP_PATH /oogud9n3

WebSocket config.json:
https://mega-1i4.pages.dev/9mc2ucmi/?fragment=true&uuid=e64a202c-51a2-7bbe-1209-4db1807db9db

XHTTP config.json:
https://mega-1i4.pages.dev/oogud9n3/?fragment=true&uuid=e64a202c-51a2-7bbe-1209-4db1807db9db

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