Pokemon Black 2 - load rom errcode=-5

everytime i run the game, (clean or patched) i get load 'rom errcode=-5'. What does this mean and how do i fix it? Im using an R4i 3DS cart and never had a problem with it untill now...

Try this:
http://www.dsflashcart.com/blog/tutorial-how-to-use-r4i-sdhc-3ds-card-to-play-pokemon-whiteblack-2us/