Hacking could not access ds card error

[airskape]

hi
all of a sudden when i start up games they are giving me a "could not access the ds card. please turn off the power and restart the ds"
this happens with any new game i have transferred over to the micro sd card. however, other games on the card work fine

i have a m3 ds simply

any help appreciated!
thanks

 

[g6team]

Are you using the latest firmware? What game are you trying to play?

 

[airskape]

yep i have v1.14
games are etrian odyssey 2, trauma center 2 and megaman starforce 2

 

[g6team]

I just tried trauma center 2. Didn't have issue running it. Try formatting your MicroSD and reinstall the firmware again. Of course backup your data first.