You are trying to sign in to PlayStation Network using a User that already has another Sony Entertainment Network account linked to it. Solution: Create a new User and link your Sony Entertainment Network account to that User in order to sign in to PlayStation Network. Click here for more information on using multiple Sign-in IDs (email addresses) on a single PlayStation 3 system. For more tips and hints on using your PlayStation system, visit our technical support forums at community.eu.playstation.com.
