When creating a Sales Invoice NAV is chrashing

When making a new Sales Invoice NAV is chrashing.

It is NAV 2018 Build 21441 (CU04).





Eventlog:
Type: Microsoft.Dynamics.Nav.Client.NavClientClosingException
Fatal: False
ShowError: True
Message: <ii>The session could not be retrieved from the server. The application will close.</ii>
StackTrace:
at Microsoft.Dynamics.Nav.Client.WinClient.ExceptionHandler.DoExecute(Func`1 execute)
at Microsoft.Dynamics.Nav.Client.WinClient.StartWinFormsClient.RunCore()
Source: Microsoft.Dynamics.Nav.Client.WinClient
HResult: -2146233088

---

Type: Microsoft.Dynamics.Nav.Types.NavConnectionLostException
Message: <ii>The session could not be retrieved from the server. The application will close.</ii>
StackTrace:
at Microsoft.Dynamics.Nav.Client.ConnectionStateManager.ServerReconnectLoop(DateTime gracePeriodEnd)
at Microsoft.Dynamics.Nav.Client.ConnectionStateManager.Reconnect(Boolean timeout)
at Microsoft.Dynamics.Nav.Client.ConnectionStateManager.HandleCommunicationFailure[T](BeginCallServerMethod beginCallServerMethod, EndCallServerMethod`1 endCallServerMethod, ServerCallOptions options, Exception e, Int32 messageNumber, String sessionId)
at Microsoft.Dynamics.Nav.Client.ConnectionStateManager.CallServer[T](BeginCallServerMethod beginCallServerMethod, EndCallServerMethod`1 endCallServerMethod, ServerCallOptions options)
at Microsoft.Dynamics.Nav.Client.ServiceConnection.CallServer[T](BeginCallServerMethod beginCallServerMethod, EndCallServerMethod`1 endCallServerMethod)
at Microsoft.Dynamics.Nav.Client.MetadataHandler.LoadAndCacheMetadataForPageAndAllItsDependencies(Int32 pageId, String personalizationId)
at Microsoft.Dynamics.Nav.Client.MetadataHandler.GetMasterPage(Int32 pageId, String personalizationId, Boolean applyPersonalization)
at Microsoft.Dynamics.Nav.Client.FormBuilder.BuilderSession.CreateLogicalForm(Int32 formId, FormState formState, Int32 retryCounter)
at Microsoft.Dynamics.Nav.Client.Actions.NavOpenTaskPageAction.CreateForm(UISession uiSession, NavBindingManager parentBindingManager, FormState formState)
at Microsoft.Dynamics.Nav.Client.Actions.NavOpenTaskPageAction.InvokeCore(LogicalControl logicalControl, Object state, UISession uiSession)
at Microsoft.Dynamics.Framework.UI.LogicalAction.InvokeCoreWithErrorHandling(LogicalControl logicalControl, Object state, UISession uiSession)
at Microsoft.Dynamics.Framework.UI.LogicalAction.DoInvoke(LogicalControl logicalControl, IDictionary state, UISession uiSession)
at Microsoft.Dynamics.Framework.UI.ActionControl.Invoke()
at Microsoft.Dynamics.Framework.UI.Windows.ActionsHelper.ModalitySafe(Action action)
at Microsoft.Dynamics.Framework.UI.Windows.ActionsHelper.ModalitySafeInvoke(ActionControl actionControl)
at Microsoft.Dynamics.Framework.UI.Windows.ActionControlAdapterBase.DefaultInvokeAction(LogicalControlAdapter adapter, ActionControl actionControl)
at Microsoft.Dynamics.Framework.UI.UX2006.WinForms.LogicalCommand.Execute(Object parameter)
at MS.Internal.Commands.CommandHelpers.CriticalExecuteCommandSource(ICommandSource commandSource, Boolean userInitiated)
at System.Windows.Controls.Primitives.ButtonBase.OnClick()
at System.Windows.Controls.Button.OnClick()
at System.Windows.Controls.Ribbon.RibbonButton.OnClick()
at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
at System.Windows.UIElement.OnMouseUpThunk(Object sender, MouseButtonEventArgs e)
at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
at System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
at System.Windows.Input.InputManager.ProcessStagingArea()
at System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
at Microsoft.Dynamics.Nav.Client.WinClient.NavWinFormsClientSession.RunMessagePump()
at Microsoft.Dynamics.Nav.Client.WinClient.NavWinFormsClientSession.RunCore()
at Microsoft.Dynamics.Nav.Client.WinClient.NavClientErrorHandler.ExecuteAndCatchExceptions(Func`1 execute)
Source: Microsoft.Dynamics.Nav.Client.ServiceConnection
HResult: -2146233088