This might be a duplicate of unresolved issues 2978 (Unexpected difference in fileset) and 3436 (An error that I'm unable to understand ("Unexpected difference in fileset"))
My backups started failing one day, so I ran a repair from the GUI, which failed, so I ran a “delete and repair”, which also fails with this error message:
Duplicati Repair report for CHC to HDD Fatal Failed: Unexpected difference in fileset 73, found 22826 entries, but expected 22827
Details: System.Exception: Unexpected difference in fileset 73, found 22826 entries, but expected 22827
at Duplicati.Library.Main.Database.LocalDatabase.VerifyConsistency(IDbTransaction transaction, Int64 blocksize, Int64 hashsize, Boolean verifyfilelists)
at Duplicati.Library.Main.Operation.RecreateDatabaseHandler.DoRun(LocalDatabase dbparent, Boolean updating, IFilter filter, NumberedFilterFilelistDelegate filelistfilter, BlockVolumePostProcessor blockprocessor)
at Duplicati.Library.Main.Operation.RecreateDatabaseHandler.Run(String path, IFilter filter, NumberedFilterFilelistDelegate filelistfilter, BlockVolumePostProcessor blockprocessor)
at Duplicati.Library.Main.Operation.RepairHandler.RunRepairLocal(IFilter filter)
at Duplicati.Library.Main.Operation.RepairHandler.Run(IFilter filter)
at Duplicati.Library.Main.Controller.<>c__DisplayClass21_0.b__0(RepairResults result)
at Duplicati.Library.Main.Controller.RunAction[T](T result, String[]& paths, IFilter& filter, Action`1 method)
System properties
APIVersion : 1
PasswordPlaceholder : **********
ServerVersion : 2.0.3.3
ServerVersionName : - 2.0.3.3_beta_2018-04-02
ServerVersionType : Beta
BaseVersionName : 2.0.3.3_beta_2018-04-02
DefaultUpdateChannel : Beta
DefaultUsageReportLevel : Information
ServerTime : 2018-05-28T18:50:07.7038218-05:00
OSType : Windows
DirectorySeparator : \
PathSeparator : ;
CaseSensitiveFilesystem : false
MonoVersion :
MachineName : TONI-PC
NewLine :
CLRVersion : 4.0.30319.42000
CLROSInfo : {"Platform":"Win32NT","ServicePack":"","Version":"6.2.9200.0","VersionString":"Microsoft Windows NT 6.2.9200.0"}
ServerModules : []
UsingAlternateUpdateURLs : false
LogLevels : ["Profiling","Information","Warning","Error"]
SuppressDonationMessages : false
SpecialFolders : [{"ID":"%MY_DOCUMENTS%","Path":"C:\\WINDOWS\\system32\\config\\systemprofile\\Documents"},{"ID":"%MY_PICTURES%","Path":"C:\\WINDOWS\\system32\\config\\systemprofile\\Pictures"},{"ID":"%APPDATA%","Path":"C:\\WINDOWS\\system32\\config\\systemprofile\\AppData\\Roaming"},{"ID":"%HOME%","Path":"C:\\WINDOWS\\system32\\config\\systemprofile"}]
BrowserLocale : {"Code":"en-US","EnglishName":"English (United States)","DisplayName":"English (United States)"}
Exported backup configuration:
"C:\Program Files\Duplicati 2\Duplicati.CommandLine.exe"
backup
"file://E:\Duplicati\C\\"
"C:\server\\"
"C:\Users\admin\Downloads\\"
"C:\Users\tonig\Desktop\\"
"C:\Users\tonig\Documents\\"
"C:\Users\tonig\Favorites\\"
--snapshot-policy=Auto
--backup-name="CHC to HDD"
--dbpath="C:\WINDOWS\system32\config\systemprofile\AppData\Local\Duplicati\VMDICCZRYI.sqlite"
--encryption-module=
--compression-module=zip
--dblock-size=50mb
--keep-time=18M
--no-encryption=true
--disable-module=console-password-input
--exclude="C:\server\ToniG\QuickbooksData\Backups\\"