Pokemon Platinum - Xylophobia Release question

My son just grabbed the NDS of Pokemon Platinum. When the game starts it says, the data cannot be read, please turn off the power and reinsert the card.Anyone have any idea of the data it is requesting.

https://www.romulation.org/forum/index.php/topic,1462.0.html

Reider, Thanks for helpin a newbie. Newbie to the forums at least :->
Got my kids DS updated with the newest firmware.
I see I should look at forums more :p
Thanks again