anyone having same problem with Echoes of time?

i got Final fantasy echoes of time,i tried saving but it said re-install game card,i tried that and it said same tihng help please?----Thanks---

Read this thread.
https://www.romulation.org/forum/index.php?topic=1462.0 :)

still dont really get it o.oany easier ways im sure there is one but thanks tho

Replying to #3

Mostly it says you need to upgrade your flashcart's firmware or something.