CoD MW3: How to Fix Corrupt Data “You Must Reset Your Rank” Niamey Logan Error

The Niamey Logan data corrupt error in Modern Warfare 3 sounds scary. Here's how to fix it.
Image via Activision

When players first log into Modern Warfare 3 Season 1, they might encounter a Niamey Logan error saying their data is corrupt and that “You must reset your rank and unlocks to continue.” Thankfully, fixing this issue is simple and relatively painless, though a bit inconvenient.

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How to Fix the Niamey Logan Corrupt Data Error in MW3

Screenshot by GameSkinny

The Niamey Logan error is actually much more bark than bite. While it claims your rank and unlocks will be reset, that won’t actually happen. To fix the Niamey Logan error, simply select “Yes” when prompted and progress to the main menu screen.

You should still be at whatever rank you were before the start of MW3 Season 1, and all your unlocks will still be… unlocked. However, it’s important to know that some things may be a little bit different or, in the worst-case scenario, completely wiped. These include loadouts, customization options, and other “certain settings.”

The official Call of Duty Updates channel has an announcement on the matter as well, saying that “players logging in to Season 1 may see an incorrect error message stating their data is corrupt. Rest assured that your rank, unlocks, and purchases are not lost, although loadouts, customizations, and certain settings may be reset.”

I admit, like so many in the Call of Duty community, I was incredibly concerned that my hours of grinding would have vanished in so much smoke because of a simple coding issue with the game. The only thing that did change after getting past the Niamey Logan error for me was all of my custom classes were gone.

While not the end of the world, as I still have tons of attachments and camos to acquire, needing to remember or rethink every single one of the dozen or so classes I’d made is frustrating. Blessedly, none of the Armory progression I’d made was lost, and even the selection of what I was grinding for remained.

This is actually not the first time an error like this has occurred. Both Modern Warfare (2019) and MW2 (2022) had the corrupt data/reset your rank error, and it was a bit hairier at the time. MW3‘s version is just the latest in a longstanding issue that the Modern Warfare reboot series has been dealing with.

That’s how to fix the corrupt data Niamey Logan error in Modern Warfare 3. Don’t be scared by the game telling you that you must reset your rank. You’re still good to go by choosing a simple option. From here, head over to our MW3 guides hub for more.

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Author
John Schutt
John Schutt has been playing games for almost 25 years, starting with Super Mario 64 and progressing to every genre under the sun. He spent almost 4 years writing for strategy and satire site TopTierTactics under the moniker Xiant, and somehow managed to find time to get an MFA in Creative Writing in between all the gaming. His specialty is action games, but his first love will always be the RPG. Oh, and his avatar is, was, and will always be a squirrel, a trend he's carried as long as he's had a Steam account, and for some time before that.