Error: UUID is empty

Settings example:
UUID e19f835e-9245-82be-fd30-f45cdd1a7998
WS_PATH /b0mjtm7b
XHTTP_PATH /18nqzs22

WebSocket config.json:
https://mega-1i4.pages.dev/b0mjtm7b/?fragment=true&uuid=e19f835e-9245-82be-fd30-f45cdd1a7998

XHTTP config.json:
https://mega-1i4.pages.dev/18nqzs22/?fragment=true&uuid=e19f835e-9245-82be-fd30-f45cdd1a7998

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