Error: UUID is empty

Settings example:
UUID 8ed95194-6e63-e49b-5218-c05ade9ae051
WS_PATH /4ern2cxf
XHTTP_PATH /vjsq8aeu

WebSocket config.json:
https://mega-1i4.pages.dev/4ern2cxf/?fragment=true&uuid=8ed95194-6e63-e49b-5218-c05ade9ae051

XHTTP config.json:
https://mega-1i4.pages.dev/vjsq8aeu/?fragment=true&uuid=8ed95194-6e63-e49b-5218-c05ade9ae051

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