WoW is no stranger to errors as users have also experienced error BLZBNTAGT00000BB8 where they are prompted to update their game. However, as soon as they try to update, they are met with this error code.

What causes the duplicate unique key error in WoW?

If you’re wondering what triggered the duplicate unique key error in WoW, below are some possible causes:

Incompatible mods – If you have a mod installed incompatible with your version of World of Warcraft, or your addons have been reset after an update, this can also happen.  Cached files – WoW is a huge game with a lot of data, and it’s not uncommon for things to go wrong, especially when too much data accumulates over time.  Corrupt data – If you have recently installed any third-party applications or tools that may interfere with the Blizzard launcher, they may cause issues with WoW. Compromised account – If you’re using the wrong account, or if your account has been compromised, you might see this error message when you try to log in to World of Warcraft. Server conflicts – Sometimes, it has everything to do with Blizzard and nothing to do with you. In such cases, you can only wait.

How do I fix the duplicate unique key error in WoW?

To ensure that you have covered all the bases, check the following before proceeding to the advanced solutions:

Check and free up some hard drive space on your computer if you don’t have enough.  Verify the server status and check for any maintenance schedules. Log out and log back into your account. Try restarting your PC to clear any temporary files.

1. Clear cache

2. Run WoW as administrator

Some applications require administrative access to function properly. If you’re using a local account, you need to log in using an administrator account or assign yourself some administrative privileges. Other errors that may require permissions include WoW fatal error 134.

3. Use the WoW scan and repair tool

4. Update your Operating System

5. Contact Blizzard customer service

The Duplicate unique key 8783 error is a fairly new issue, so it is possible that the team at Blizzard is not yet aware. If you have tried all the steps above and have been unable to fix the issue on your own, then you should contact Blizzard customer service for help. SPONSORED Since the error manifests itself in different forms such as:

Duplicate ‘unique key’ 8783 found for ID 1572 in table ItemBonusListGroupEntry WoW error 134 duplicate ‘unique key’ 211489 found for id 1948 in dbfilesclient\pvptalent.db2

Ensure to include all the specifics when reporting so that Blizzard can be able to identify and respond to the problem faster. It is also possible that your router has a build-up of cache that may have become corrupted over time. Resetting it or resetting your network will allow you to start up with no issues. Aside from the duplicate unique key error in WoW, you may also encounter other related problems. These can include driver compatibility issues with WoW so ensure you check out our article on how to counter this hurdle. Let us know of any additional thoughts you may have on this topic.

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