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Extract the .pkm from your .sav.
Open your .sav in PokeGen, find your Pokemon, right click it, press View Data, press File, press Save Pokemon (from tabs), save your .pkm, attach it here.
[ARDS] US/Canada: http://us.codejunkies.com/support/article.aspx?article_id=434
[ARDS] Rest of the world: http://uk.codejunkies.com/support/article.aspx?article_id=434
[ARDSi] US/Canada: http://us.codejunkies.com/support/article.aspx?article_id=433
[ARDSi] Rest of the world: http://uk.codejunkies.com/support/article.aspx?article_id=433
Are you using the latest version of PokeGen?
Are you choosing the right game version in the Code Generator?
Are you choosing the right game locale in the Code Generator?
Is your Action Replay's firmware updated to the latest version (ARDS 1.71 / ARDSi 1.25)?
How many Pokemon are you exporting in one code?
1. Location changes to "Special Place".
2. OT remains as GAMESTP.
3. The shiny beasts activate Zoroark at Lostlorn Forest. Celebi activates Zorua at Castelia City.
The cats were available to all 4th Gen Games (DPPtHGSS). You're using an ENG cartridge, so the English cats could have been downloaded to your game before. Feel free to inject the Wonder Card into any of your games and get the Pokemon, it's alright.
PokeSav cannot generate legal shiny PIDs. Use PokeGen instead, a far better alternative.
http://projectpokemon.org/forums/showthread.php?6424-Download-link-and-information
But it was saved in PokeSav with all data looking fine? Weird, PokeGen should be able to open it. Could be a bad checksum, go to the Options tab in PokeGen and tick "Ignore Save File Checksum", then try again.