ROM hacks tend to deal modify saves, so they don't always work with PKHeX.
In this case, I was able to *try* to grab most parts of your save (remaining portions had to be from a donor save).
The save does not load in an emulator, but it could be because it is a save of a ROMhack.
If the save *indeed* doesn't work for you, at least the mons are salvaged (I could see them with PKHeX)
dummy test fr.sav