I enter my login information for my LJ acct, then it tries to sync and comes up with this error 100% of the time. It only gets halfway through the sync and then freezes afterwards. On the LJ community for this tool several people have stated they have had the same problem.
ljArchive Error: System.Data.ConstraintException: Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.
at System.Data.DataSet.FailedEnableConstraints()
at System.Data.DataSet.EnableConstraints()
at System.Data.DataSet.set_EnforceConstraints(Boolean value)
at System.Data.DataTable.EndLoadData()
at EF.ljArchive.Engine.Sync.Merge(Journal j, EventCollection ec, CommentCollection cc, UserMapCollection umc, SyncItemCollection deletedsic, LoginResponse lr, String communityPicURL, DateTime lastSync)
at EF.ljArchive.Engine.Sync.ThreadStart()
Logged In: NO
I had the same problem.