The card contains essential software and boot files required to initialize the head unit.
This is a data corruption issue. The voice files ( .vce or .dat folder) may be missing. Try an official map update to restore them. toyota nszt w60 sd card
Many users search for this because they have a Japanese Domestic Market (JDM) imported Toyota (e.g., a Prius or Mark X) with an NSZT-W60 unit. The card contains essential software and boot files