V2.0.3.8 Linux - Detected non-empty blocksets with no associated blocks!

Everything worked, but immediately after update this error message is given and backup won’t run.

So something is different, and seems to be broken too.

Software as usual, I love it when people ask if this new update will fix issues. Sure it will fix some, and you’ll get many interesting new ones too. - But that’s the way it is.

Fatal error => System.Exception: Detected non-empty blocksets with no associated blocks!
  at Duplicati.Library.Main.Database.LocalDatabase.VerifyConsistency (Int64 blocksize, Int64 hashsize, Boolean verifyfilelists, IDbTransaction transaction) <0x4109d4c0 + 0x006c7> in <filename unknown>:0 
  at Duplicati.Library.Main.Operation.Backup.BackupDatabase+<>c__DisplayClass31_0.<VerifyConsistencyAsync>b__0 () <0x4109b360 + 0x0003b> in <filename unknown>:0 
  at Duplicati.Library.Main.Operation.Common.SingleRunner+<>c__DisplayClass6_0.<RunOnMain>b__0 () <0x4109b320 + 0x00019> in <filename unknown>:0 
  at Duplicati.Library.Main.Operation.Common.SingleRunner+<>c__DisplayClass5_0`1+<<DoRunOnMain>b__1>d[T].MoveNext () <0x4109ae60 + 0x000e7> in <filename unknown>:0 
--- End of stack trace from previous location where exception was thrown ---
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () <0x7fa54f8016d0 + 0x00029> in <filename unknown>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) <0x7fa54f7ff6b0 + 0x000a7> in <filename unknown>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) <0x7fa54f7ff630 + 0x0006b> in <filename unknown>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) <0x7fa54f7ff5e0 + 0x0003a> in <filename unknown>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.GetResult () <0x7fa54f7ff5c0 + 0x00012> in <filename unknown>:0 
  at Duplicati.Library.Main.Operation.BackupHandler+<RunAsync>d__19.MoveNext () <0x4103d520 + 0x011de> in <filename unknown>:100:

Linux is mentioned in the subject, because I did run backup on several Windows machines, and I didn’t get this error message. Let’s try with another Linux computer too… And see if the same happens.

Interesting, no problem with alternate system. Anyway, what’s the root cause and how it should be fixed?

Sounds like some older version could have left something in “unclean” state in the database, and this new version doesn’t like that.

It seems that some users experienced this already with the previous version:

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