I need help with this one

i was playing harvest moon 64, i already cheked and on the compability list it says that it can run it good

but, i started on winter, everithing was really good, spring was really goob but..

at the first day of summer, when i go out of the farm it send out a code dump, "Exception (DSI) Ocurred"

i have already serched on a lot and tried a lot to fix this

i used pimp my wii to upgrade ios

i have waninkoko and hermes ios

but still got this error...

i got a 4,2U wii, homebrew channel 1.0.8 and if someone can tell me what to do pls