Final Fantasy Crystal Chronicles Echoes of Time not saving !

hi guys i have downloaded and patched Final Fantasy Echoes of Time and it plays fine, the only problem is when i go to save it it says "cannot find save file etc..." has anyone had this problem before or does anyone know how to solve it ! any help most appreciated.!!

Please read the Common Issues https://www.romulation.org/forum/index.php?topic=1462.0

well yeah it did work but i upgrade the firmware of my R4 SDHC and now i cant find the Action Replay codes. can anyone help me?