Error code 102-2534

Hi, I’m getting an error where I’m being prompted to re-sign into my nintendo ID, but it will not accept my correct password when I try to log in. When I tried to request a temporary password, it gave me error code 102-2534. I am running on a hackless wii-u and a fresh pretendo account. I’ve been using it to play Splatoon 1, which was working well up until yesterday, where I would disconnect as soon as my matches would start. The same problem persisted today, so I tried editing my internet settings and my current problem began afterwards. Any help would be greatly appreciated, thanks!

I think I found out the issue, I changed the network I was using, but not the dns settings. The connection errors I was having earlier might be on my behalf.