System.Net.WebException

When trying to launch a character set this error occurs.

System.Net.WebException: The remote server returned an error: (500) Internal Server Error.

at System.Net.HttpWebRequest.GetResponse()
at ISBoxerEvelauncher.EveAccount.GetAccessToken(Booloean sisi, HTTPWebRequest req, Token& accessToken)
at ISBoxerEvelauncher.EveAccount.GetAccessToken(Booloean sisi, Token& accessToekn)
at ISBoxerEvelauncher.EveAccount.GetAccessToken(Booloean sisi, String& ssotoken)
at ISBoxerEvelauncher.EveAccount.Launch(String sharedCachePath, Boolean sisi, DirectXVersion dxVersion)
at ISBoxerEveLauncher.Launchers.DirectLauncher.LaunchAccount(EVEAccount account)
at ISBoxerEVELauncher.Windows.LaunchProgressWindow.Timer_Tick(Object sender, EventArgs e)
Account 'xxxxx' failed to launch: Error. Aborting!