When trying to add Deepl to the translation resources, we get this error message:
"There was a connection protocol error.
Please check that you have entered the correct port number and other settings.
<SDLErrorDetails time="10/09/2020 14:41:16"> <ErrorMessage>There was a connection protocol error. Please check that you have entered the correct port number and other settings.</ErrorMessage> <Exception> <Type>System.AggregateException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</Type> <HelpLink /> <Source>mscorlib</Source> <HResult>-2146233088</HResult> <StackTrace><![CDATA[ at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions) at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification) at System.Threading.Tasks.Task`1.get_Result() at Sdl.Community.DeepLMTProvider.DeepLTranslationProviderConnecter.GetSupportedLanguages(String type) at Sdl.Community.DeepLMTProvider.DeepLMtTranslationProvider.GetSupportedTargetLanguages(LanguagePair[] languagePairs) at Sdl.Community.DeepLMTProvider.DeepLMtTranslationProviderWinFormsUI.Browse(IWin32Window owner, LanguagePair[] languagePairs, ITranslationProviderCredentialStore credentialStore) at Sdl.TranslationStudio.Common.TranslationMemory.TranslationMemoriesControl.pluginContextMenuStripItem_Click(Object sender, EventArgs e) at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e) at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e) at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e) at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e) at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met) at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met) at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea) at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea) 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.ToolStrip.WndProc(Message& m) at System.Windows.Forms.ToolStripDropDown.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)]]></StackTrace> <InnerException> <Type>System.Net.Http.HttpRequestException, System.Net.Http, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</Type> <HelpLink /> <Source /> <HResult>-2146233088</HResult> <StackTrace><![CDATA[]]></StackTrace> <InnerException> <Type>System.Net.WebException, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</Type> <Status>ProtocolError</Status> <HelpLink /> <Source>System</Source> <HResult>-2146233079</HResult> <StackTrace><![CDATA[ at System.Net.HttpWebRequest.EndGetRequestStream(IAsyncResult asyncResult, TransportContext& context) at System.Net.Http.HttpClientHandler.GetRequestStreamCallback(IAsyncResult ar)]]></StackTrace> </InnerException> </InnerException> </Exception> <Environment> <ProductName>SDL Trados Studio</ProductName> <ProductVersion>15.0.0.0</ProductVersion> <EntryAssemblyFileVersion>15.2.6.2831</EntryAssemblyFileVersion> <OperatingSystem>Microsoft Windows 10 Enterprise</OperatingSystem> <ServicePack>NULL</ServicePack> <OperatingSystemLanguage>1033</OperatingSystemLanguage> <CodePage>1252</CodePage> <LoggedOnUser>MSNET\FDD6900</LoggedOnUser> <DotNetFrameWork>4.0.30319.42000</DotNetFrameWork> <ComputerName>PO171507060</ComputerName> <ConnectedToNetwork>True</ConnectedToNetwork> <PhysicalMemory>8266320 MB</PhysicalMemory> </Environment> </SDLErrorDetails>