There seems to be a problem when inserting shareable Wonder Cards into Pokémon Platinum... i tried inserting a modified, shareable Wonder Card into a Platinum save file in order to share it to an original cart, but when inserted using PokéGen 3.1.7, i get an error as soon as i click the Share option in the Mystery Gift menu (a blue screen which just says that an communication error has occurred, no code or anything. The blue screen appears on DesmuMe 0.9.7, using a Flashcard and even when inserting the save file into an original cart)... I have another program that can insert Wonder Cards into Gen 4 games called PMGE 1.4.2 Portable... since i've read before that using Pokégen can cause communication problems, i took my original, unaltered save and inserted the same Wonder Card using PMGE, surprisingly, it worked, which leads me to believe that Pokégen does really mess up wireless communication badly...
i'm sending all 4 files for testing purpose:
1. The original, unaltered save file
2. The save file that has the Wonder Card inserted using Pokégen
3. The save file that has the Wonder Card inserted using PMGE
4. The Wonder Card itself (PCD file)
i hope this info is enough to clarify this odd behavior...
NDS_Saves.rar