If you happened to log in on the Playstation network today and received a couple of errors then don’t panic, this is a widespread issue and Sony has stated that they are looking at the issue.
“We’re aware that some of you are experiencing issues with PlayStation Store – we are investigating. Online play and apps are not affected”
“At the moment PlayStation Network is currently experiencing issues and some users may encounter problems with network services and the store. (An error code e.g. 80023102 may appear when trying to sign in) Engineers are currently investigating the cause of these problems, and I will update here when more information is available.”