The problem is, as pointed out in the example, is that the memo the writer got from Dell that came from AMI informing Dell about the typo contained an image tha

The problem is, as pointed out in the example, is that the memo the writer got from Dell that came from AMI informing Dell about the typo contained an image that the own writer sent to AMI. Meaning AMI had no idea about this typo before they were contacted by the writer.