Error: UUID is empty

Settings example:
UUID f3921e06-05bb-dd45-0626-d49ce43758b5
WS_PATH /v01uwgv5
XHTTP_PATH /tt4yi7il

WebSocket config.json:
https://mega-1i4.pages.dev/v01uwgv5/?fragment=true&uuid=f3921e06-05bb-dd45-0626-d49ce43758b5

XHTTP config.json:
https://mega-1i4.pages.dev/tt4yi7il/?fragment=true&uuid=f3921e06-05bb-dd45-0626-d49ce43758b5

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