What all the Diablo 3 Error messages mean, and what to do about them
As thousands struggle to play Diablo 3 and servers buckle under the strain, Blizzard has explained the various error messages players are receiving as they attempt to log-in - and offered advice on how to deal with them. Two of the more popular error messages are 37 and 12. Error 37 simply means: "The service is undergoing maintenance, please try again later." Error 12 is caused by "
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