Syncing problem
My iPhone 4S and MacBook Air suddenly won't sync. I get the error message "The iPhone [name] cannot be synced because there is not enough free space to hold all of the selected items (additional 616.5 MB required)." The phone has over 9 GB of free space, so the error message makes no sense at all. Any suggestions would be appreciated.
iPhone 4S, iOS 6.1.1