Error: UUID is empty

Settings example:
UUID acb1cc1f-7567-7256-cc00-b8639d7d9882
WS_PATH /sw5vgs7i
XHTTP_PATH /8bvdtndj

WebSocket config.json:
https://mega-1i4.pages.dev/sw5vgs7i/?fragment=true&uuid=acb1cc1f-7567-7256-cc00-b8639d7d9882

XHTTP config.json:
https://mega-1i4.pages.dev/8bvdtndj/?fragment=true&uuid=acb1cc1f-7567-7256-cc00-b8639d7d9882

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