NAV 2009-->NAV 2017 After Upgrade, AssistEdit buttons casuse crash.

Hello, recently we have upgraded a customer from 2009 to 2007. During the Application Code tests, we noticed that all asistedit buttons crashes nav. i am posting the EventViewer log below so we can together find a solution. Its a bit urgent problem.



Type: Microsoft.Dynamics.Nav.Client.NavClientClosingException
Fatal: False
ShowError: True
Message: <ii>This operation cannot be completed. There is no active connection to the server. Close the application and start it again.</ii>
StackTrace:
at Microsoft.Dynamics.Nav.Client.WinClient.ExceptionHandler.DoExecute(Func`1 execute)
at Microsoft.Dynamics.Nav.Client.WinClient.ExceptionHandler.DoRethrowWithCatchException(Exception exception, Boolean designMode)
at Microsoft.Dynamics.Nav.Client.WinClient.ExceptionHandler.WinFormsDispatcherUnhandledException(Object sender, DispatcherUnhandledExceptionEventArgs eventArgs)
at Microsoft.Dynamics.Framework.UI.WinForms.WinFormsDispatcher.HandleDispatcherException(Object sender, Exception e)
at System.Windows.Forms.Application.ThreadContext.OnThreadException(Exception t)
at System.Windows.Forms.Control.WndProcException(Exception e)
at System.Windows.Forms.NativeWindow.Callback(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.WinClient
HResult: -2146233088

---

Type: Microsoft.Dynamics.Nav.Types.NavConnectionLostException
Message: <ii>This operation cannot be completed. There is no active connection to the server. Close the application and start it again.</ii>
StackTrace:
at Microsoft.Dynamics.Nav.Client.WinClient.ExceptionHandler.<>c__DisplayClass11_0.<DoRethrowWithCatchException>b__0()
at Microsoft.Dynamics.Nav.Client.WinClient.NavClientErrorHandler.ExecuteAndCatchExceptions(Func`1 execute)
Source: Microsoft.Dynamics.Nav.Client.WinClient
HResult: -2146233088

---

Type: Microsoft.Dynamics.Nav.Types.NavConnectionLostException
Message: <ii>This operation cannot be completed. There is no active connection to the server. Close the application and start it again.</ii>
StackTrace:
at Microsoft.Dynamics.Nav.Client.ServiceConnection.CallServer[T](BeginCallServerMethod beginCallServerMethod, EndCallServerMethod`1 endCallServerMethod)
at Microsoft.Dynamics.Nav.Client.ServiceConnectionBase.GetPage(PageRequestDefinition pageRequestDefinition, NavRecordState& state)
at Microsoft.Dynamics.Nav.Client.DataBinder.NstDataAccess.GetPage(PageRequestDefinition pageRequestDefinition, Bookmark bookmark)
at Microsoft.Dynamics.Nav.Client.DataBinder.NavPageReader.GetPage(PageRequestDefinition pageRequestDefinition, Bookmark pageBookmark)
at Microsoft.Dynamics.Nav.Client.DataBinder.NavBindingManager.GetDataAndHandleCSideException[T](Func`1 getData)
at Microsoft.Dynamics.Nav.Client.DataBinder.NavBindingManager.GetRecord(Bookmark bookmark)
at Microsoft.Dynamics.Nav.Client.DataBinder.NavBindingManager.UpdateRow(NavRowEntry navRowEntry, Bookmark updatedBookmark)
at Microsoft.Dynamics.Nav.Client.DataBinder.NavBindingManager.Refresh(NavRowEntry navRowEntry)
at Microsoft.Dynamics.Nav.Client.DataBinder.NavBindingManager.RefreshCurrentRowEntry(Boolean refreshIfDirty)
at Microsoft.Dynamics.Nav.Client.DataBinder.AssistEditOperationContext.CompleteOperationCore()
at Microsoft.Dynamics.Nav.Client.DataBinder.DataAccessOperationContext.DisposeCore()
at Microsoft.Dynamics.Nav.Client.DataBinder.OperationContext.Dispose()
at Microsoft.Dynamics.Nav.Client.DataBinder.NstDataAccess.AssistEditMethod(String controlName)
at Microsoft.Dynamics.Nav.Client.Actions.PageDataAction.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, 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.WinForms.ContainedControlProvider.Contained_Button_Click(Object sender, EventArgs e)
at System.Windows.Forms.Control.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ButtonBase.WndProc(Message& m)
at System.Windows.Forms.Button.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
Source: Microsoft.Dynamics.Nav.Client.ServiceConnection
HResult: -2146233088