Deferner Posted March 10, 2016 Share Posted March 10, 2016 I have problem when login game after input security code 6 digit. SystemErr - (200 : Account Authentication Failure). I can't login more than 4 hours. So, how to fix its? First, I went to login ncsoft account > Settings > Security > Authorized Locations > Manage > Remove my ip address. However, It can't login. That's all. Link to comment Share on other sites More sharing options...
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