Splatoon connection issues. error 104-2210

Hello, I have been trying to play splatoon again recently, and yesterday morning it was working fine, but ever since yesterday afternoon, I’ve been unable to connect, just getting error code 104-2210 every time. This has been happening on both my real wii u, and Cemu (with a different account). Any ideas what’s going on? Is this fixable by me, or is this a server issue?

Clear shared save data for Splatoon on your Wii U.

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Btw if it still happens you can just wait 2 to 3 hours and it should work again at least that happened to me because i didint delete shared data but its more reliable to do what @GamersInternatio says.

How do I do this? Will this delete any data I might need for the game?

  1. System Settings
  2. Data Management
  3. [Splatoon location]
  4. Splatoon
  5. Delete SHARED SAVE DATA ONLY

Only delete shared save data, not actual save data.

(Are you modded, or using DNS?)

I’m modded. I figured it out and got the game working. Thank you for the fast reply. I wish the post office was that efficient.

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lmao you’re welcome!

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Only today i made a pretendo account, i’m in the pretendo network on my wii u, but everytime i go in the lobby in splatoon, i keep getting error 104-2210. Is there anyway to fix this? I dont know anything about the pretendo network

Are you modded, or using the hackless DNS method?

If modded, follow the steps I said here: Splatoon connection issues. error 104-2210 - #6 by Joshua8600PNID

If using DNS method: there is a known issue with SSSL and Splatoon in getting BOSS (news/map rotation data). It is under investigation. There is currently no projected time for a fix.