CAWs are stored in two places: the save file (roster slots) and the SD card’s private folder. Some custom saves require you to also copy a WWE13 folder from the download to your SD card root. Look for a data folder included with the save.
: This often happens if you try to use a save from the wrong region or if the file was modified without being "rehashed" for your specific console profile. wwe 13 wii save data download work