yu-gu-oh world championship over the nexus

Hi i cant seem to get it to work, i always get load rom error code=-4
i tryed the patched rom too, im using the latest R4i gold and retrogamefan multicard update firmware

use unnoficial dats from jhon 591. retro's files havent added yugioh yet since he updates once a month now
here is topic for retros dats and unnoficial dats: http://forum.romulation.net/index.php?topic=43121.0

thanks i sent you a pm