Companies House filing - Sage assisted tagging problem

I am trying to file a set of accounts and am getting an error message - "Sage assisted tagging problem"

Unfortunately the help desk is closed for the holidays. Can anyone help me?

The details are as follows:

Operating System:   Windows
Service Pack:       
OS Version:         6.2.9200.0
CLR Version:        4.0.30319.42000
Client Version:     6.0.74.0

Exception Type: System.InvalidCastException
Message: Unable to cast object of type 'Sage.AD.Core.UI.Controls.SageOneComboEditor' to type 'Infragistics.Win.Misc.UltraLabel'.
StackTrace:    at Sage.AD.MinimumTagging.SuggestedTagModule.Presentation.StepPanels.ConfirmOrPickDetailsStepPanel.SetDimensionRow(IEnumerable`1 candidates, Boolean useOnlyPopulatedDimensions)
   at Sage.AD.MinimumTagging.SuggestedTagModule.Presentation.StepPanels.ConfirmOrPickDetailsStepPanel.LoadNextItem()
   at Sage.AD.MinimumTagging.SuggestedTagModule.Presentation.StepPanels.ConfirmOrPickDetailsStepPanel.<Activate>b__6(Object x)
   at Sage.AD.MinimumTagging.ViewerModule.Presentation.AccountsViewer.RegisterPromise(String name, Action`1 promise)
   at Sage.AD.MinimumTagging.SuggestedTagModule.Presentation.StepPanels.ConfirmOrPickDetailsStepPanel.Activate()
   at Sage.AD.Core.UI.Controls.StepButton.OnCheckedChanged(EventArgs e)
   at System.Windows.Forms.RadioButton.set_Checked(Boolean value)
   at System.Windows.Forms.Control.OnClick(EventArgs e)
   at Infragistics.Win.Misc.UltraButtonBase.OnClick(EventArgs e)
   at Infragistics.Win.Misc.UltraButton.OnMouseUp(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.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wpara