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Hello Community

I’m getting an error File format is not valid. when just click Help on Context Pane.

It seems to be my Windows installation specific, since i can’t open Help in any IFS EE app (we have 3 different environments). I already deleted all Apps 2.0 folders, nothing helped. 

Could you give me any tips what to check?

IFS10 EE Update 14

Client Version 10.5.8.0

Server Version 10.14.8.0

Error details:

Ifs.Fnd.FndSystemException: Explorer: An Unhandled Exception has occurred ---> System.ArgumentException: File format is not valid.
   at System.Windows.Forms.RichTextBox.StreamIn(Stream data, Int32 flags)
   at System.Windows.Forms.RichTextBox.StreamIn(String str, Int32 flags)
   at System.Windows.Forms.RichTextBox.set_Rtf(String value)
   at Ifs.Fnd.Explorer.Extenders.HelpManager.HelpManagerPanel.ModifyFontSize(String text, Int32 step)
   at Ifs.Fnd.Explorer.Extenders.HelpManager.HelpManagerPanel.SetHelpText(String rtfString)
   at Ifs.Fnd.Explorer.Extenders.HelpManager.HelpManagerPanel.DisplaySingleField()
   at Ifs.Fnd.Explorer.Extenders.HelpManager.HelpManagerPanel.UpdateHelpText()
   at Ifs.Fnd.Explorer.Extenders.HelpManager.HelpManagerPanel.UpdateHelpPanelUI(Boolean forceUpdate)
   at Ifs.Fnd.Explorer.Extenders.HelpManager.HelpManagerPanel.UpdateUI(ContextPaneUpdateType updateType)
   at Ifs.Fnd.Explorer.UI.ContextPaneManager.OnContextPaneLayoutRequest(IFndContextPaneControl control, Boolean show)
   at Ifs.Fnd.Explorer.UI.ContextPaneManager.fndRibbonControl1_CollapseExpandChanged(Object sender, EventArgs e)
   at Ifs.Fnd.Explorer.Controls.FndRibbonControl.set_Collapsed(Boolean value)
   at Ifs.Fnd.Explorer.UI.ContextPaneManager.TogglePane(Control control)
   at Ifs.Fnd.Explorer.UI.ContextPaneManager.fndRibbonControl1_RibbonItemClicked(Object sender, FndRibbonClickedEventArgs e)
   at Ifs.Fnd.Explorer.Controls.FndRibbonControl.OnMouseClick(MouseEventArgs e)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   at System.Windows.Forms.ContainerControl.WndProc(Message& m)
   at System.Windows.Forms.UserControl.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)
   --- End of inner exception stack trace ---

 

Best regards,

Wiktor

Are you using Windows 11? I’ve just had a user get the same error in Apps9.

 

I had heard only recently that Micorsoft are removing .rtf functionallity from Windows 11 and WordPad but that maybe a coincidence.

Regards,

Alex

Hi Alex

I’m using Win10 22H2.

BR, Wiktor

Hi all, 

Got same error on Windows 11. On another Windows 11 machnes working fine. Any ideas how to solve issue?

Best regards

Finally I was able to get rid of this error, by unchecking an option Beta: unicode UTF-8 for world wide language support in regional setting.
Full post on that resolution: https://answers.microsoft.com/en-us/windows/forum/all/richtextboxrtf-setter-throwing/31f1df32-f447-45f0-87f5-beebc1774092

To recreate the issue:

  • Enable Beta: unicode UTF-8 for world wide language support (To enable Start => Region & Language settings => Related settings -> Additional date, time & regional settings => Region -> Change date, time or number formats => select Administrative tab => Click on Change System Locale.. => Check  Beta: unicode UTF-8 for world wide language support checkbox

To fix it, just uncheck it.

Best regards,

Wiktor

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