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Achievement/Challenge Not Granted
What to do if you haven't earned an achievement or challenge when you should have
This article focuses on in-game bugs, which are outside the scope of the website. Information may not be extensive.
There is an in-game chat command to have the server reassess whether you have earned an achievement or challenge.
This chat command is the same irrespective of whether the issue is with an achievement or challenge.
/recheck_achievements