System.IO.IOException: disk I/O error —> System.Data.SQLite.SQLiteException: disk I/O error
at System.Data.SQLite.SQLiteBlob.Read(Byte[] buffer, Int32 count, Int32 offset)
at MailClient.Storage.Data.BlobStream.Read(Byte[] buffer, Int32 offset, Int32 count)
— End of inner exception stack trace —
at MailClient.Storage.Data.BlobStream.Read(Byte[] buffer, Int32 offset, Int32 count)
at MailClient.Streams.StreamHelper.CopyStream(Stream inputStream, Stream outputStream, Nullable`1 cancellationToken, ProgressReporter reporter)
at MailClient.Storage.Data.DatabaseCopyTool.CopyContents(Table table, Boolean sortDesc)
at MailClient.Storage.Data.DatabaseCopyTool.CopyTableData(Table table)
at MailClient.Storage.Data.DatabaseCopyTool.CopyInternal(String specificTable, Boolean copyIndexesViewsAndTriggers)
at DbBackup.FormBackup.Backup(CancellationToken cancellationToken)
at DbBackup.FormBackup.<MainForm_Load>b__27_0(Object a, DoWorkEventArgs b)
at System.ComponentModel.BackgroundWorker.OnDoWork(DoWorkEventArgs e)
at System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument)
Data:
Table: LocalMailContents
Go to Menu > Settings > General > Backup and make sure the backup directory is set to somewhere on your hard disk that has sufficient space (2x the size of your database directory). Also, make sure that it is not a directory that is synced with cloud storage.
Also, check to make sure you are using the latest version of eM Client in the Release History.