So, you
K, no problem. Can be fixed
First make sure to see if you don't have the working Wuphax *.app backup of your previous backup laying around somewhere
(won't work if you did (2) ...)
[-1-]
If (1) is the case and you still have another .app laying around that works for your vWii: simply reopen...
Fixing a corrupted Mii Channel in vWii (savegame manager, wuphax)
First make sure to see if you don't have the working Wuphax *.app backup of your previous backup laying around somewhere
(won't work if you did (2) ...)
[-1-]
If (1) is the case and you still have another .app laying around that works for your vWii: simply reopen...
Fixing a corrupted Mii Channel in vWii (savegame manager, wuphax)