Error: UUID is empty

Settings example:
UUID bdb0ef59-fe82-8cba-8cbd-bab637794f28
WS_PATH /pifzwmn3
XHTTP_PATH /qvc7j6hj

WebSocket config.json:
https://mega-1i4.pages.dev/pifzwmn3/?fragment=true&uuid=bdb0ef59-fe82-8cba-8cbd-bab637794f28

XHTTP config.json:
https://mega-1i4.pages.dev/qvc7j6hj/?fragment=true&uuid=bdb0ef59-fe82-8cba-8cbd-bab637794f28

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