what wrong with my nds?

If i play game for a few minutes the game will error
so is it wrong with my nds or r4?

what's the error message exactly?and read this too:
https://www.romulation.org/forum/index.php?topic=1462.0uhhh... and yeah, wrong section... should be in Technical Help

Spoiler

I thought the topic title was, "what's wrong with mds? lol

https://www.romulation.org/forum/index.php?topic=1736.0