It's as if the replacement soundbank sound engine code didn't work. Is the sfx folder still inside the projectm folder?
The sfx folder is still inside of the projectm folder, but there is no data inside of it. In my backup folder of 3.0, that has all of the original files, the sfx folder has some .sawnd files inside of it.
Would I just need to copy these files onto my SD card to fix the problem? I assume that is all that needs to be done. I currently don't have access to my wii at the moment, but I will mess with it when I get a chance.