My Scarlet save file is too big?

[WastedGoat]

I used PKHeX on my Pokémon Scarlet save once, put a shiny stone in my inventory so I could evolve a Pokémon.

Now I'm trying to use PKHeX again, and it says my save file is too big.

I've attached my save file so you can see it for yourselves. I don't know what happened or how to fix it.

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