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It could be verification. Or it could be denied due to the fact that you just got a card with them. Only way to find out is wait for a letter or if it were me I would call their backdoor number and speak to an analyst who can give you the decision right then and there
More than likely a security issue do to two applications in a short time. As already stated call them or wait for the letter to call.
http://ficoforums.myfico.com/t5/Credit-Card-Applications/Backdoor-Numbers/m-p/408066
It means manual intervention is required. If it was an outright denial they would have told you that you were denied.