There are a number of possible reasons.
-It may be because the code you have entered to use the cheat is incorrect or designed to make your game freeze.
-It is possible the cheat code you have entered will only work for a particular type of cheat machine, for example an older/newer version.
-It may be simply because you have cheated the game a lot and the modifier has messed the game up enough to make it freeze.
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ya it does unless you dont use the last part of the modifier code just type in the pokedex # and what level
go to www.supercheats.com
there is none
There is if you have the action replay. Use the wild Pokemon modifier code and there is an advanced Pokemon modifier code for Pokemon platinum. If you don't have the action replay then you can't. You have to choose him as starter from Prof. Rowan.
u need an action replay its a cheat code device Google what is the action replay code for wild Pokemon modifier.