One thing is that I would like to get rid of this cryptic error altogether. But I learned to live with it, as It's been haunting mee for years. But now, with SR1 it has just become more annoying than ever before. What can I do to avoid it?

Here is the ErrorDetails file:
<SDLErrorDetails time="2017-08-10 11:46:54">
<ErrorMessage>Odwołanie do obiektu nie zostało ustawione na wystąpienie obiektu.</ErrorMessage>
<Exception>
<Type>System.NullReferenceException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</Type>
<HelpLink />
<Source>Sdl.TranslationStudio.Editor</Source>
<HResult>-2147467261</HResult>
<StackTrace><![CDATA[ w Sdl.TranslationStudio.Editor.TranslationMemory.AnyAutoSuggest.SubSegmentGenerator.IsEnabled(TranslationResult result)
w Sdl.TranslationStudio.Editor.TranslationMemory.AnyAutoSuggest.SubSegmentGenerator.GetSubSegments(String prefix, IEnumerable`1 translationResults)
w Sdl.TranslationStudio.Editor.TranslationMemory.AnyAutoSuggest.AnyAutoSuggestProvider.GetCurrentTranslationSuggestions(EditingContext context)
w Sdl.TranslationStudio.Editor.TranslationMemory.AnyAutoSuggest.AnyAutoSuggestProvider.GetSuggestionData(EditingContext context)
w Sdl.TranslationStudio.Editor.TranslationEditor.Intellisense.SuggestionDataProviders.GetSuggestionData(EditingContext context)
w Sdl.TranslationStudio.Editor.TranslationEditor.Intellisense.SuggestionWindow.ShowSuggestionWindow(Form parent, ISideBySideDocumentEditingView view, SideBySideEditor editor, ISuggestionDataProvider suggestionDataProvider, SuggestionSite site, Char firstChar, Int32 sourceStartPosition, SuggestionMode mode, ITranslatableDocumentEditorSettings settings, Boolean requireCaseResolving, Boolean incrementTextOffset, Int32 imeBehavior)
w Sdl.TranslationStudio.Editor.TranslationEditor.Intellisense.IntellisenseEditing.ShowSuggestionWindow(Form parent, ISideBySideDocumentEditingView view, SideBySideEditor editor, ISuggestionDataProvider suggestionDataProvider, SuggestionSite site, Char firstChar, Int32 sourceStartPosition, SuggestionMode mode, ITranslatableDocumentEditorSettings settings, Boolean requireCaseResolving, Boolean incrementTextOffset)
w Sdl.TranslationStudio.Editor.TranslationEditor.Intellisense.IntellisenseEditing.LaunchIntellisenseWindow(Boolean keyPressed, Char lastChar, Boolean afterImeCompositionUpdate)
w Sdl.TranslationStudio.Editor.TranslationEditor.Intellisense.IntellisenseEditing.ProcessDocumentContentChanged(List`1 operations, Boolean afterImeCompositionUpdate)
w Sdl.TranslationStudio.Editor.TranslationEditor.Intellisense.IntellisenseEditing.Document_ContentChanged(Object sender, FrameworkDocumentContentChangedEventArgs e)
w System.EventHandler`1.Invoke(Object sender, TEventArgs e)
w AbstractFrameworkDocument.raise_ContentChanged(Object value0, FrameworkDocumentContentChangedEventArgs value1)
w AbstractFrameworkDocument.OnContentChanged(Object sender, FrameworkDocumentContentChangedEventArgs args)
w FrameworkDocumentEventSource.RaiseContentChanged(FrameworkDocumentEventSource* )
w FrameworkDocumentEventSource.vv_AfterCompositeCommandCompleted(FrameworkDocumentEventSource* )
w Tree.DocumentControl.vl_WindowProc(DocumentControl* , HWND__* , UInt32 , UInt32 , Int32 )
w FrameworkDocumentControl.vl_WindowProc(FrameworkDocumentControl* , HWND__* h_wnd, UInt32 n_msg, UInt32 w_p, Int32 l_p)
w System.Windows.Forms.UnsafeNativeMethods.CallWindowProc(IntPtr wndProc, IntPtr hWnd, Int32 msg, IntPtr wParam, IntPtr lParam)
w System.Windows.Forms.NativeWindow.DefWndProc(Message& m)
w System.Windows.Forms.Control.DefWndProc(Message& m)
w System.Windows.Forms.Control.WmKeyChar(Message& m)
w System.Windows.Forms.Control.WndProc(Message& m)
w System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
w System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
w System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)]]></StackTrace>
</Exception>
<Environment>
<ProductName>SDL Trados Studio</ProductName>
<ProductVersion>14.0.0.0</ProductVersion>
<EntryAssemblyFileVersion>14.1.6284.6</EntryAssemblyFileVersion>
<OperatingSystem>Microsoft Windows 10 Pro</OperatingSystem>
<ServicePack>NULL</ServicePack>
<OperatingSystemLanguage>1045</OperatingSystemLanguage>
<CodePage>1250</CodePage>
<LoggedOnUser>Biurotron\mieczu</LoggedOnUser>
<DotNetFrameWork>4.0.30319.42000</DotNetFrameWork>
<ComputerName>BIUROTRON</ComputerName>
<ConnectedToNetwork>True</ConnectedToNetwork>
<PhysicalMemory>16753196 MB</PhysicalMemory>
</Environment>
</SDLErrorDetails>