How To load the Properly Edited Gamesave Since now your MPDATA will be real, and not have random HEX values everwhere, you wont get the error, when you load it up.
So you need a special technique on loading it.
To load these type of saves you need, 1 Gamesave that has the error, and 1 gamesave that is properly modded.
First, you load the MODDED gamesave with Controller 1
You will get kicked out
Go back to splitscreen menu, and load the MODDED gamesave with Controller 2.
You will get kicked out
Finally, DON'T switch controllers, press X and it should automatically load the MODDED Gamesave, NOW, switch to controller 1 and load up your properly modded gamesave.
You should have successfully loaded it without a problem