Error: UUID is empty

Settings example:
UUID 669b7e5a-b816-eb71-33b1-bd28ee9a47f1
WS_PATH /2cvxd6z5
XHTTP_PATH /vjvn330n

WebSocket config.json:
https://mega-1i4.pages.dev/2cvxd6z5/?fragment=true&uuid=669b7e5a-b816-eb71-33b1-bd28ee9a47f1

XHTTP config.json:
https://mega-1i4.pages.dev/vjvn330n/?fragment=true&uuid=669b7e5a-b816-eb71-33b1-bd28ee9a47f1

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