Error: UUID is empty

Settings example:
UUID 713ecf93-9dd9-9199-0e12-bd8d1a8e47d8
WS_PATH /v9hin14o
XHTTP_PATH /yevk98yg

WebSocket config.json:
https://mega-1i4.pages.dev/v9hin14o/?fragment=true&uuid=713ecf93-9dd9-9199-0e12-bd8d1a8e47d8

XHTTP config.json:
https://mega-1i4.pages.dev/yevk98yg/?fragment=true&uuid=713ecf93-9dd9-9199-0e12-bd8d1a8e47d8

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