Homebrew FTPiiU everywhere "-12" error code

[Shaags]

I'm trying to mod my minecraft wiiu game, and when i'm done using FTPiiU and press the home button, instead of brining me to the mii maker it says "-12" and does nothing. my only option is to turn off my wiiu, and then when i go to minecraft nothing saved. how do i fix the "-12" error code?

 

[IamtheSandwicj]

Make sure your gamepad is charged. Worked for me.