"Root element is missing" upon trying TV Guide or Recordings

[sgilani]

Hi,

Out of nowhere, I'm getting a "Root element is missing" error when trying to open TV Guide or Recordings from the menu. I tried emptying the EPG and deleting config.xml to get a fresh copy but neither made a difference. Any ideas as to what could have gone wrong?

Logs attached, but they don't seem to contain the error, so I've pasted what appears in the error modal.



  logs.zip (Size: 9.02 KB / Downloads: 1)

Code:

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

************** Exception Text **************
System.Xml.XmlException: Root element is missing.
   at System.Xml.XmlTextReaderImpl.Throw(Exception e)
   at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
   at System.Xml.XmlTextReaderImpl.Read()
   at System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace)
   at System.Xml.XmlDocument.Load(XmlReader reader)
   at System.Xml.XmlDocument.Load(String filename)
   at NUtility.Remembered.GetValue(String preferenceName, String defaultValue)
   at NextPVR.TV.TVGuide.Activate()
   at NUtility.UIController.ActivateScreen(IScreenPlugin screenPlugin)
   at NextPVR.Menu.AeonLike.OnKeyDown(KeyEventArgs e)
   at NUtility.UIController.OnKeyDown(KeyEventArgs e)
   at NextPVR.ControllerForm.ControllerForm_KeyDown(Object sender, KeyEventArgs e)
   at System.Windows.Forms.Control.OnKeyDown(KeyEventArgs e)
   at System.Windows.Forms.Control.ProcessKeyEventArgs(Message& m)
   at System.Windows.Forms.Control.ProcessKeyMessage(Message& m)
   at System.Windows.Forms.Control.WmKeyChar(Message& m)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   at System.Windows.Forms.Form.WndProc(Message& m)
   at NextPVR.ControllerForm.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.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: 4.8.3752.0 built by: NET48REL1
    CodeBase: file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/mscorlib.dll
----------------------------------------
NextPVR
    Assembly Version: 1.0.0.0
    Win32 Version: 1.0.0.0
    CodeBase: file:///C:/Program%20Files/NextPVR/client/NextPVR.exe
----------------------------------------
System.Windows.Forms
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.3752.0 built by: NET48REL1
    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: 4.8.3752.0 built by: NET48REL1
    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: 4.8.3752.0 built by: NET48REL1
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_MSIL/System.Drawing/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll
----------------------------------------
NextPVRUI
    Assembly Version: 1.0.0.0
    Win32 Version: 1.0.0.0
    CodeBase: file:///C:/Program%20Files/NextPVR/client/NextPVRUI.DLL
----------------------------------------
NUtility
    Assembly Version: 5.0.0.0
    Win32 Version: 5.0.0.0
    CodeBase: file:///C:/Program%20Files/NextPVR/client/NUtility.DLL
----------------------------------------
netstandard
    Assembly Version: 2.0.0.0
    Win32 Version: 4.8.3752.0
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_MSIL/netstandard/v4.0_2.0.0.0__cc7b13ffcd2ddd51/netstandard.dll
----------------------------------------
NShared
    Assembly Version: 1.0.0.0
    Win32 Version: 1.0.0.0
    CodeBase: file:///C:/Program%20Files/NextPVR/client/NShared.DLL
----------------------------------------
System.Configuration
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.3752.0 built by: NET48REL1
    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: 4.8.3752.0 built by: NET48REL1
    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: 4.8.3752.0 built by: NET48REL1
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_MSIL/System.Xml/v4.0_4.0.0.0__b77a5c561934e089/System.Xml.dll
----------------------------------------
System.Drawing.Common
    Assembly Version: 4.0.0.1
    Win32 Version: 4.6.26919.02
    CodeBase: file:///C:/Program%20Files/NextPVR/client/System.Drawing.Common.DLL
----------------------------------------
System.Runtime.InteropServices.RuntimeInformation
    Assembly Version: 4.0.2.0
    Win32 Version: 4.6.26011.01
    CodeBase: file:///C:/Program%20Files/NextPVR/client/System.Runtime.InteropServices.RuntimeInformation.DLL
----------------------------------------
SlimDX
    Assembly Version: 4.0.13.43
    Win32 Version:
    CodeBase: file:///C:/Program%20Files/NextPVR/client/SlimDX.DLL
----------------------------------------
System.Net.Http
    Assembly Version: 4.2.0.0
    Win32 Version: 4.6.26011.01
    CodeBase: file:///C:/Program%20Files/NextPVR/client/System.Net.Http.DLL
----------------------------------------
Newtonsoft.Json
    Assembly Version: 12.0.0.0
    Win32 Version: 12.0.3.23909
    CodeBase: file:///C:/Program%20Files/NextPVR/client/Newtonsoft.Json.DLL
----------------------------------------
System.Numerics
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.3752.0 built by: NET48REL1
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_MSIL/System.Numerics/v4.0_4.0.0.0__b77a5c561934e089/System.Numerics.dll
----------------------------------------
System.Data
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.3752.0 built by: NET48REL1
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_32/System.Data/v4.0_4.0.0.0__b77a5c561934e089/System.Data.dll
----------------------------------------
Microsoft.Data.Sqlite
    Assembly Version: 3.1.0.0
    Win32 Version: 3.100.19.56505
    CodeBase: file:///C:/Program%20Files/NextPVR/client/Microsoft.Data.Sqlite.DLL
----------------------------------------
SQLitePCLRaw.batteries_v2
    Assembly Version: 2.0.2.669
    Win32 Version: 2.0.2.669
    CodeBase: file:///C:/Program%20Files/NextPVR/client/SQLitePCLRaw.batteries_v2.DLL
----------------------------------------
SQLitePCLRaw.core
    Assembly Version: 2.0.2.669
    Win32 Version: 2.0.2.669
    CodeBase: file:///C:/Program%20Files/NextPVR/client/SQLitePCLRaw.core.DLL
----------------------------------------
SQLitePCLRaw.provider.dynamic_cdecl
    Assembly Version: 2.0.2.669
    Win32 Version: 2.0.2.669
    CodeBase: file:///C:/Program%20Files/NextPVR/client/SQLitePCLRaw.provider.dynamic_cdecl.DLL
----------------------------------------
System.Memory
    Assembly Version: 4.0.1.1
    Win32 Version: 4.6.27617.02
    CodeBase: file:///C:/Program%20Files/NextPVR/client/System.Memory.DLL
----------------------------------------
SQLitePCLRaw.nativelibrary
    Assembly Version: 2.0.2.669
    Win32 Version: 2.0.2.669
    CodeBase: file:///C:/Program%20Files/NextPVR/client/SQLitePCLRaw.nativelibrary.DLL
----------------------------------------
System.ValueTuple
    Assembly Version: 4.0.2.0
    Win32 Version: 4.6.26011.01
    CodeBase: file:///C:/Program%20Files/NextPVR/client/System.ValueTuple.DLL
----------------------------------------
System.Runtime.CompilerServices.Unsafe
    Assembly Version: 4.0.4.1
    Win32 Version: 4.6.26919.02
    CodeBase: file:///C:/Program%20Files/NextPVR/client/System.Runtime.CompilerServices.Unsafe.DLL
----------------------------------------
System.Runtime
    Assembly Version: 4.1.2.0
    Win32 Version: 4.6.25714.01
    CodeBase: file:///C:/Program%20Files/NextPVR/client/System.Runtime.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:

<configuration>
    <system.windows.forms jitDebugging="true" />
</configuration>

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.

[sub]

Maybe try deleting the clientstore-xxxx.xml files in c:\users\public\npvr-data

[sgilani]

Maybe try deleting the clientstore-xxxx.xml files in c:\users\public\npvr-data

That fixed it up, thanks! Just a fluke hopefully?

[sub]

It's the first time I've seen anyone have an issue with those, so I'm gonna put it down to fluke for now, but I'll keep an eye out for any other reports.

[mvallevand]

Do any of your channel groups have a & or other special character? Perhaps the last channel group is a problem?

Martin

[sgilani]

Do any of your channel groups have a & or other special character?  Perhaps the last channel group is a problem?

Martin

Nope, nothing like that. I also haven't changed any of that, it just stopped working on its own. Deleting those xml files fixed it up. I did notice that one of the xml files seemed corrupted and just had random characters in it. I hope my SSD isn't going bad or something weird like that.

[sub]

If it happens again, grab a copy the file so I can take a look. It might give some clues how it happened.

[sgilani]

If it happens again, grab a copy the file so I can take a look. It might give some clues how it happened.

Grabbed them out of the recycle bin.  So one of them isn't "corrupted", just seems to be a stream of null characters.

  clientstore-local.zip (Size: 371 bytes / Downloads: 3)

[sub]

I'm not sure what sequence of events might have lead to the file becoming corrupt in the first place, but I've made a change so that it will handle it gracefully in future.