I was playing through the SoulSilver romhack Pokémon StormSilver by Drayano on my R4i flashcart, and got "the file will be deleted due to damage or corruption" message. I can open the save on pkhex, and all my progress is still there. When I try to verify checksums I get the message "Large block checksum is invalid". Is there any way to salvage this save? I have some backup saves I could use but I'd rather not have to deal with redoing my progress. I've attached the .sav file.
Pokemon StormSilver invalid.sav