I incurred into the infamous error 160-0103 error while trying to make a mii on my never modded nor softmodded 32GB WiiU. I did some research and rapidly found out about the failing Hynix eMMCs and whatnot. Here on GBATemp I found the "Ultimate WiiU Troubleshooting Guide" and realized it was...
hahahaha I'm half way through a bag off my Volcano and my tolerance is way down because I haven't been smoking much lately, so I was a little slow to catch that that was what your angle was