So a hallucination would have been if it made up a new row? What about the „9.9 / 9.11“ example? It’s unclear to me where to draw the line between skill issue

So a hallucination would have been if it made up a new row? What about the „9.9 / 9.11“ example? It’s unclear to me where to draw the line between skill issue and hallucination. I image that one influences the other?