save data corrupted after firmware update

[john_g]

Mister Unknown,

thank you soooooo much for that !!!
it works!!

So now my game is working again but i have a new one:

the save data was about yu gi oh tag force 4 and i am trying to make it recognized now with tag force 5 but it just doesnt recognized it at all...
Do you know why?

Thank you again!!