This error message occurs when trying to repack the files

[git-abirr]

See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box.

** Exception Text ** System.IO.IOException: An attempt was made to move the position before the beginning of the stream. at System.IO.MemoryStream.Seek(Int64 offset, SeekOrigin loc) at UEcastocLib.ManifestData.GetDep(List`1 Deps, BinaryReader br) in C:\Users\PCMOD\source\repos\rm-NoobInCoding\UnrealUnZen\UnrealUnZen\UEcastocLib\Manifest.cs:line 108 at UEcastocLib.ManifestData.ParseDependencies(Byte[] b) in C:\Users\PCMOD\source\repos\rm-NoobInCoding\UnrealUnZen\UnrealUnZen\UEcastocLib\Manifest.cs:line 186 at UEcastocLib.ManifestData.ConstructManifest(UTocData u, String ucasPath) in C:\Users\PCMOD\source\repos\rm-NoobInCoding\UnrealUnZen\UnrealUnZen\UEcastocLib\Manifest.cs:line 97 at UnrealUnZen.MainTool.RepackBTN_Click(Object sender, EventArgs e) in C:\Users\PCMOD\source\repos\rm-NoobInCoding\UnrealUnZen\UnrealUnZen\MainTool.cs:line 83 at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ButtonBase.WndProc(Message& m) at System.Windows.Forms.Button.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

** Loaded Assemblies ** mscorlib Assembly Version: 4.0.0.0 Win32 Version: 4.8.4645.0 built by: NET48REL1LAST_B CodeBase: file:///C:/Windows/Microsoft.NET/Framework64/v4.0.30319/mscorlib.dll

UnrealUnZen Assembly Version: 1.0.0.0 Win32 Version: 1.0.0.0 CodeBase: file:///D:/n3tron/patch/UnrealUnZen-B04/UnrealUnZen.exe

System.Windows.Forms Assembly Version: 4.0.0.0 Win32 Version: 4.8.4654.0 built by: NET48REL1LAST_B CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Windows.Forms/v4.0_4.0.0.0__b77a5c561934e089/System.Windows.Forms.dll

System Assembly Version: 4.0.0.0 Win32 Version: 4.8.4682.0 built by: NET48REL1LAST_B CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System/v4.0_4.0.0.0__b77a5c561934e089/System.dll

System.Drawing Assembly Version: 4.0.0.0 Win32 Version: 4.8.4390.0 built by: NET48REL1LAST_C CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Drawing/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll

System.Configuration Assembly Version: 4.0.0.0 Win32 Version: 4.8.4190.0 built by: NET48REL1LAST_B CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Configuration/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll

System.Core Assembly Version: 4.0.0.0 Win32 Version: 4.8.4682.0 built by: NET48REL1LAST_B CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Core/v4.0_4.0.0.0__b77a5c561934e089/System.Core.dll

System.Xml Assembly Version: 4.0.0.0 Win32 Version: 4.8.4084.0 built by: NET48REL1 CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Xml/v4.0_4.0.0.0__b77a5c561934e089/System.Xml.dll

Accessibility Assembly Version: 4.0.0.0 Win32 Version: 4.8.4084.0 built by: NET48REL1 CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/Accessibility/v4.0_4.0.0.0__b03f5f7f11d50a3a/Accessibility.dll

DotNetZip Assembly Version: 1.16.0.0 Win32 Version: 1.16.0 CodeBase: file:///D:/n3tron/patch/UnrealUnZen-B04/DotNetZip.DLL

Microsoft.WindowsAPICodePack.Shell Assembly Version: 1.1.5.0 Win32 Version: 1.1.5.0 CodeBase: file:///D:/n3tron/patch/UnrealUnZen-B04/Microsoft.WindowsAPICodePack.Shell.DLL

Microsoft.WindowsAPICodePack Assembly Version: 1.1.5.0 Win32 Version: 1.1.5.0 CodeBase: file:///D:/n3tron/patch/UnrealUnZen-B04/Microsoft.WindowsAPICodePack.DLL

PresentationFramework Assembly Version: 4.0.0.0 Win32 Version: 4.8.4682.0 CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/PresentationFramework/v4.0_4.0.0.0__31bf3856ad364e35/PresentationFramework.dll

WindowsBase Assembly Version: 4.0.0.0 Win32 Version: 4.8.4682.0 built by: NET48REL1LAST_B CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/WindowsBase/v4.0_4.0.0.0__31bf3856ad364e35/WindowsBase.dll

PresentationCore Assembly Version: 4.0.0.0 Win32 Version: 4.8.4682.0 built by: NET48REL1LAST_B CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_64/PresentationCore/v4.0_4.0.0.0__31bf3856ad364e35/PresentationCore.dll

System.Xaml Assembly Version: 4.0.0.0 Win32 Version: 4.8.4682.0 built by: NET48REL1LAST_B CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Xaml/v4.0_4.0.0.0__b77a5c561934e089/System.Xaml.dll

** JIT Debugging ** To enable just-in-time (JIT) debugging, the .config file for this application or computer (machine.config) must have the jitDebugging value set in the system.windows.forms section. The application must also be compiled with debugging enabled.

For example:

When JIT debugging is enabled, any unhandled exception will be sent to the JIT debugger registered on the computer rather than be handled by this dialog box.

[git-abirr]

https://drive.google.com/drive/folders/1Q_E3K5rlhYdTaqNHPThIxYKk_iM6luEt

I've uploaded the pak,ucas,utoc and aes key in this link

[switterbeet]

The tool is just bugged as hell. Waste of time

[rm-NoobInCoding]

The tool has been updated to the new version and due to many changes, the previous issues have probably been solved by now (see readme). If you still have a problem, create a new issue