Error code 160-2215 when changing user information

So when i go to change my user information, this error pops up.

Is there any way to fix this? or is it broken?

Uhh…this is not normal.

I have never seen a crash here before.

Are you modded using Aroma CFW or using SSSL?

sorry for the late response, im using aroma.

Can you download Wii U Ident from the Homebrew App Store and go to Storage info inside the app tell me the MLC Manufacturer of your Wii U?

the MLC manufacturer of my wiiu is Hynix (0x90)

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I hope this isn’t a sign of HYNIX NAND failure…

@support-helper does anyone else have any insight?

that’s… bad news.

Hynix’s NANDs on the Wii U tend to fail much sooner than the Toshiba and Samsung counterparts. if you haven’t already,

MAKE A BACKUP IMMEDIATELY!!!

there’s not really anything you can do about a corrupted NAND unfortunately, so it’s crucial that you dump the entire NAND as soon as possible with an SDXC Card of at least 64GB, formatted as FAT32.

I understand this can be a scary ordeal. if you need assistance with this matter, and you use Discord, I strongly recommend explaining your situation to Nintendo Homebrew, whose invite can be found here: https://discord.gg/nintendohomebrew.

We recommend consulting Nintendo Homebrew for further assistance.