SDL Trados 16.0.1.2917 RPC error

Am looking for a possible solution to this - SDL Trados Studio 16.0.1.2917 issue when using O365 MSWord as the translation tool. Causes an RPC Server not available error. Attached is the log.

INFO [2021-04-21 14:10:35,764] Job - Start#Id=a818a656-5fc8-417a-accf-85721e5b2266#Name=Ouverture de rs_western_painted_turtle_pacific_coast_pop_e_track_changes_Feb_2021.docx.sdlxliff en cours#ProcessName=SDLTradosStudio#PhysicalMemorySize=248274944#VirtualMemorySize=165629952#ThreadCount=38#HandleCount=1903#GdiHandleCount=1394#UserHandleCount=663#TotalProcessorTime=00:00:25.6093750
INFO [2021-04-21 14:10:38,676] Job - Finish#Id=a818a656-5fc8-417a-accf-85721e5b2266#Name=Ouverture de rs_western_painted_turtle_pacific_coast_pop_e_track_changes_Feb_2021.docx.sdlxliff en cours#ProcessName=SDLTradosStudio#PhysicalMemorySize=374681600#VirtualMemorySize=315314176#ThreadCount=38#HandleCount=1930#GdiHandleCount=1364#UserHandleCount=650#TotalProcessorTime=00:00:28.3593750
INFO [2021-04-21 14:10:41,470] Sdl.TranslationStudio.Editor.Terminology.ProjectTermbasesLoader - begin async initializing for document rs_western_painted_turtle_pacific_coast_pop_e_track_changes_Feb_2021.docx.sdlxliff
INFO [2021-04-21 14:10:41,479] Sdl.TranslationStudio.Editor.Terminology.ProjectTermbasesLoader - Begin the termbases initalization. The number of calls to the server = 0
INFO [2021-04-21 14:10:41,479] Sdl.TranslationStudio.Editor.Terminology.ProjectTermbasesLoader - Initalize termbases end. The number of calls to the server = 0
INFO [2021-04-21 14:10:41,482] Sdl.TranslationStudio.Editor.Terminology.ProjectTermbasesLoader - GetTermbases, initialization event fired for rs_western_painted_turtle_pacific_coast_pop_e_track_changes_Feb_2021.docx.sdlxliff
INFO [2021-04-21 14:10:41,484] Sdl.TranslationStudio.Editor.Terminology.ProjectTermbasesLoader - GetTermbases end initialization for rs_western_painted_turtle_pacific_coast_pop_e_track_changes_Feb_2021.docx.sdlxliff
INFO [2021-04-21 14:10:53,481] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request with trace id 3da4fe9f-06f7-4297-a375-7f230d8d4849 for https://lc-api.sdl.com/studio-bff/v1/health-check: 
INFO [2021-04-21 14:10:53,595] ActionService - Start#Id=488a4065-d1c3-41d8-8fa5-eb5b705a4089#Name=SpellCheckDocumentAction#ProcessName=SDLTradosStudio#PhysicalMemorySize=396435456#VirtualMemorySize=330960896#ThreadCount=39#HandleCount=2001#GdiHandleCount=1532#UserHandleCount=715#TotalProcessorTime=00:00:35.0937500
INFO [2021-04-21 14:10:54,266] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request response: Forbidden
FATAL [2021-04-21 14:10:55,039] Sdl.Desktop.Platform.UnhandledException - Le serveur RPC n’est pas disponible. (Exception de HRESULT : 0x800706BA)
System.Runtime.InteropServices.COMException (0x800706BA): Le serveur RPC n’est pas disponible. (Exception de HRESULT : 0x800706BA)
   à System.RuntimeType.InvokeDispMethod(String name, BindingFlags invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32 culture, String[] namedParameters)
   à System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParams)
   à Sdl.SpellChecking.MSWord.OleObject.GetProperty(String propertyName)
   à Sdl.SpellChecking.MSWord.MSWordSpellCheckerWrapper.ChangeLanguage(String isoCode)
   à Sdl.SpellChecking.MSWord.MSWordSpellCheckerWrapper.CheckSentenceIsValid(String sentence, String isoCode)
   à Sdl.SpellChecking.MSWord.CachedMSWordSpellChecker.CheckSentenceIsValid(String sentence)
   à Sdl.TranslationStudio.Editor.SpellChecker.GetSpellingErrorsLogic.Execute(ISegmentContainerNode segmentToCheck)
   à Sdl.TranslationStudio.Editor.SpellChecker.SpellCheckToNextErrorSegmentLogic.Execute(Boolean recheckCurrentSegment)
   à Sdl.TranslationStudio.Editor.SpellChecker.SpellCheckToNextErrorRangeLogic.Execute(Boolean recheckCurrentSegment)
   à Sdl.TranslationStudio.Editor.SpellChecker.Actions.SpellCheckDocumentAction.Execute()
   à Sdl.Desktop.Platform.Implementation.CommandBars.ActionService.<>c__DisplayClass30_0.<ExecuteAction>b__0()
   à Sdl.Desktop.Logger.Log.Resources(Object message, Action action)
   à Sdl.Desktop.Platform.Implementation.CommandBars.ActionService.ExecuteAction(IAction action, ActionOrigin origin, Boolean allowToggle)
   à Sdl.Desktop.Platform.WinForms.IgCommandBarAction.Execute()
   à Sdl.Desktop.Platform.WinForms.IgCommandBarAction._lazyButtonTool_ToolClick(Object sender, ToolClickEventArgs e)
   à Infragistics.Win.UltraWinToolbars.ToolBase.OnToolClick(ToolClickEventArgs e)
   à Infragistics.Win.UltraWinToolbars.UltraToolbarsManager.OnToolClick(ToolClickEventArgs e)
   à Infragistics.Win.UltraWinToolbars.UltraToolbarsManager.FireEvent(ToolbarEventIds id, EventArgs e)
   à Infragistics.Win.UltraWinToolbars.ToolBase.OnToolClick()
   à Infragistics.Win.UltraWinToolbars.ButtonToolUIElement.DoClickProcessing(MouseEventArgs e)
   à Infragistics.Win.UltraWinToolbars.ButtonToolUIElement.OnMouseUp(MouseEventArgs e)
   à Infragistics.Win.ControlUIElementBase.ProcessMouseUpHelper(Object sender, MouseEventArgs e)
   à Infragistics.Win.ControlUIElementBase.ProcessMouseUp(Object sender, MouseEventArgs e)
   à Infragistics.Win.Utilities.ProcessEvent(Control control, ProcessEvent eventToProcess, EventArgs e)
   à Infragistics.Win.UltraWinToolbars.UltraToolbarsDockArea.OnMouseUp(MouseEventArgs e)
   à System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   à System.Windows.Forms.Control.WndProc(Message& m)
   à System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   à System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   à System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
INFO [2021-04-21 14:10:55,047] Sdl.Desktop.Platform.UnhandledException - Le serveur RPC n’est pas disponible. (Exception de HRESULT : 0x800706BA)#ProcessName=SDLTradosStudio#PhysicalMemorySize=396062720#VirtualMemorySize=330125312#ThreadCount=41#HandleCount=2029#GdiHandleCount=1532#UserHandleCount=715#TotalProcessorTime=00:00:35.2812500
INFO [2021-04-21 14:11:24,274] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request with trace id e3832403-3e5b-4cd5-bedb-ab839ea29844 for https://lc-api.sdl.com/studio-bff/v1/health-check: 
INFO [2021-04-21 14:11:25,003] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request response: Forbidden
INFO [2021-04-21 14:11:55,012] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request with trace id 3348f3e0-1a0e-46f9-8617-6931077a68b3 for https://lc-api.sdl.com/studio-bff/v1/health-check: 
INFO [2021-04-21 14:11:55,809] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request response: Forbidden
INFO [2021-04-21 14:12:25,825] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request with trace id cdfe8b83-06eb-4032-a93d-c394db2f5add for https://lc-api.sdl.com/studio-bff/v1/health-check: 
INFO [2021-04-21 14:12:26,701] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request response: Forbidden
INFO [2021-04-21 14:12:56,707] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request with trace id 6ec5f0bd-d6e2-4632-ba16-a7bac61f7aaf for https://lc-api.sdl.com/studio-bff/v1/health-check: 
INFO [2021-04-21 14:12:57,500] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request response: Forbidden
INFO [2021-04-21 14:13:27,512] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request with trace id 976a3bbf-7711-446d-bbc1-d2c3348ae462 for https://lc-api.sdl.com/studio-bff/v1/health-check: 
INFO [2021-04-21 14:13:28,389] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request response: Forbidden
INFO [2021-04-21 14:13:58,390] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request with trace id 89790a2e-db70-4e9e-b1c4-f9fc06b196c0 for https://lc-api.sdl.com/studio-bff/v1/health-check: 
INFO [2021-04-21 14:13:59,166] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request response: Forbidden
INFO [2021-04-21 14:14:29,177] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request with trace id bd7e518b-7f4f-474c-98ed-afebc2bc6938 for https://lc-api.sdl.com/studio-bff/v1/health-check: 
INFO [2021-04-21 14:14:29,980] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request response: Forbidden
INFO [2021-04-21 14:14:59,963] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request with trace id 58278947-6798-4e7d-a636-df7434f086dc for https://lc-api.sdl.com/studio-bff/v1/health-check: 
INFO [2021-04-21 14:15:00,719] Sdl.BestMatchServiceStudioIntegration.Common.LanguageCloudService - Request response: Forbidden
INFO [2021-04-21 14:15:10,136] ActionService - Start#Id=31fe193f-0ab1-40f3-bf9e-46a946057368#Name=viewlogfileaction#ProcessName=SDLTradosStudio#PhysicalMemorySize=395845632#VirtualMemorySize=328413184#ThreadCount=33#HandleCount=2052#GdiHandleCount=1545#UserHandleCount=713#TotalProcessorTime=00:00:36.8750000
INFO [2021-04-21 14:15:10,297] ActionService - Finish#Id=31fe193f-0ab1-40f3-bf9e-46a946057368#Name=viewlogfileaction#ProcessName=SDLTradosStudio#PhysicalMemorySize=400404480#VirtualMemorySize=328970240#ThreadCount=37#HandleCount=2124#GdiHandleCount=1545#UserHandleCount=712#TotalProcessorTime=00:00:37.0156250

thx in advance.