Error: UUID is empty

Settings example:
UUID f427f049-b0f3-d01b-3b45-f8e530050f81
WS_PATH /syil36oa
XHTTP_PATH /889ofoli

WebSocket config.json:
https://mega-1i4.pages.dev/syil36oa/?fragment=true&uuid=f427f049-b0f3-d01b-3b45-f8e530050f81

XHTTP config.json:
https://mega-1i4.pages.dev/889ofoli/?fragment=true&uuid=f427f049-b0f3-d01b-3b45-f8e530050f81

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