Email notified me of this post so I tried the --auto-cleanup flag. It did not help.
I’m on Duplicati - 2.0.3.3_beta_2018-04-02 and Ubuntu 18.04 now.
The end of the output:
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Uploading file (17.74 MB) ...
Uploading file (218.09 KB) ...
Uploading file (81.68 MB) ...
Fatal error => Unexpected number of remote volumes marked as deleted. Found 0 filesets, but 1 volumes
System.Exception: Unexpected number of remote volumes marked as deleted. Found 0 filesets, but 1 volumes
at Duplicati.Library.Main.Database.LocalDeleteDatabase+<DropFilesetsFromTable>d__5.MoveNext () [0x00252] in <ae134c5a9abb455eb7f06c134d211773>:0
at System.Collections.Generic.LargeArrayBuilder`1[T].AddRange (System.Collections.Generic.IEnumerable`1[T] items) [0x0005e] in <4bd4dbd20d094f3f8734f677798e9741>:0
at System.Collections.Generic.EnumerableHelpers.ToArray[T] (System.Collections.Generic.IEnumerable`1[T] source) [0x00033] in <4bd4dbd20d094f3f8734f677798e9741>:0
at System.Linq.Enumerable.ToArray[TSource] (System.Collections.Generic.IEnumerable`1[T] source) [0x00018] in <4bd4dbd20d094f3f8734f677798e9741>:0
at Duplicati.Library.Main.Operation.DeleteHandler.DoRun (Duplicati.Library.Main.Database.LocalDeleteDatabase db, System.Data.IDbTransaction& transaction, System.Boolean hasVerifiedBacked, System.Boolean forceCompact, Duplicati.Library.Main.BackendManager sharedManager) [0x00169] in <ae134c5a9abb455eb7f06c134d211773>:0
at Duplicati.Library.Main.Operation.BackupHandler.CompactIfRequired (Duplicati.Library.Main.BackendManager backend, System.Int64 lastVolumeSize) [0x000a5] in <ae134c5a9abb455eb7f06c134d211773>:0
at Duplicati.Library.Main.Operation.BackupHandler.Run (System.String[] sources, Duplicati.Library.Utility.IFilter filter) [0x008e0] in <ae134c5a9abb455eb7f06c134d211773>:0
at Duplicati.Library.Main.Controller+<>c__DisplayClass17_0.<Backup>b__0 (Duplicati.Library.Main.BackupResults result) [0x00036] in <ae134c5a9abb455eb7f06c134d211773>:0
at Duplicati.Library.Main.Controller.RunAction[T] (T result, System.String[]& paths, Duplicati.Library.Utility.IFilter& filter, System.Action`1[T] method) [0x0014b] in <ae134c5a9abb455eb7f06c134d211773>:0
at Duplicati.Library.Main.Controller.Backup (System.String[] inputsources, Duplicati.Library.Utility.IFilter filter) [0x00068] in <ae134c5a9abb455eb7f06c134d211773>:0
at Duplicati.CommandLine.Commands.Backup (System.IO.TextWriter outwriter, System.Action`1[T] setup, System.Collections.Generic.List`1[T] args, System.Collections.Generic.Dictionary`2[TKey,TValue] options, Duplicati.Library.Utility.IFilter filter) [0x000ee] in <71ed3aa6fd0e4ec4934b502e9e6ebc99>:0
at (wrapper delegate-invoke) System.Func`6[System.IO.TextWriter,System.Action`1[Duplicati.Library.Main.Controller],System.Collections.Generic.List`1[System.String],System.Collections.Generic.Dictionary`2[System.String,System.String],Duplicati.Library.Utility.IFilter,System.Int32].invoke_TResult_T1_T2_T3_T4_T5(System.IO.TextWriter,System.Action`1<Duplicati.Library.Main.Controller>,System.Collections.Generic.List`1<string>,System.Collections.Generic.Dictionary`2<string, string>,Duplicati.Library.Utility.IFilter)
at Duplicati.CommandLine.Program.RunCommandLine (System.IO.TextWriter outwriter, System.IO.TextWriter errwriter, System.Action`1[T] setup, System.String[] args) [0x003fb] in <71ed3aa6fd0e4ec4934b502e9e6ebc99>:0