Just download the new updated template from sky3ds website or make your own.
I second this!
Remember to change the Header in the Template if your using your own Private header.
But the game will not even boot just says this game cart cannot be used.
I had this problem, is the SD card seated properly? some people say they need to wedge a bit of paper between the card and the 3ds to make sure that the cart pins are connecting properly?
also, what SD card do you use?
T