File Format Error

Hey all.

So I keep getting that message when trying to load a game.

I have an EZ Flash IV cartridge using a 4 GB micro SD card.

I have the SD card formatted to FAT with I think 64 kb segments.

I'm using EZ 4 Client 1.03 to transfer files on the card.

I have my GBA flashed with some [SD] 1.770 file that was given on this site which is really quite nice looking.

My cartridge works just fine if I have just have a few games on it.

If I go even a little crazy though, and try to put like 20...

File Format Error