Help with Heroes of mana and luminious arc.!!!

Hey ppl. i cant seem to start HEROES OF MANA on my DS linker. apparently, after it shows the video clip, it freezes and the screen turns blank and i cannot play the game..And for luminious arc, i cannot seem to save the game in any of the data slots. everytime i try, they say, COULD NOT WRITE DATA. can anyone help me?? or is anyone else having the same probleM? =DThanks for any ASAP reply. =D

u got 1 shitty card man u shoudlve got R4 works fine to me

ok. heroes of mana works perfectly now but they still come up wit the mesage SRAM UPLOAD ERROR!. while luminious arc still cannot be saved. lolz.