worms open warfare 2 rom help.(sorry if this is in the wrong place)(im new)

i got the r4, and everytime i try to play the game i get a message:"cannot access save data. please power off and remove game card and reinsert." anyone have the same problem and help would be appreciated. :)

have you read the 'common issues'' thread?

In this case the common issues thread doesn't cover it.Read here: Have you loony? https://www.romulation.org/forum/index.php/topic,1775.0.html