An unknown error occurred 13019 while syncing

WHen I use iTunes to sync either movies or music with iPad, I get an unknown error:The iPad cannot be synced. An unknown error occurred (13019).Here are the solution. * Voice memos is causing the error 13019. Un-check voice memos in Music tab in iTunes. Then sync it.* When done, re-check the music tab in iTunes, and sync it again.* If still not working, try to restore.