When you save a game on the Wii, the console encrypts that data using a unique key tied specifically to that hardware unit. This means a save file created on one Wii will not natively work on another.
Depending on your platform, follow these general steps found on community forums like SmackTalks Download the Save File wwe 13 wii save data download work
Select the tab, find your save, and choose Copy to move it to System Memory. When you save a game on the Wii,