Unknown error in my 3.0 beta project

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We just converted a project with the Mendix 3.0 beta. Everything went fine until all of a sudden an unknown error appeared. All I did when I started the project this morning was deleting a title. Any ideas? Thanks! System.InvalidOperationException: Invoke or BeginInvoke cannot be called on a control until the window handle has been created. at System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous) at System.Windows.Forms.Control.Invoke(Delegate method, Object[] args) at System.Windows.Forms.Control.Invoke(Delegate method) at Mendix.Modeler.VersionControl.Status.RevStatusControl.<ProjectOpened>b__0() in c:\cygwin\home\autobuild\build\Mendix-3.0\modeler\Modeler\VersionControl\Status\RevStatusControl.cs:line 37 at System.Action.Invoke() at Mendix.Modeler.VersionControl.Status.RevStatusCache.RaiseSomethingChanged() in c:\cygwin\home\autobuild\build\Mendix-3.0\modeler\Modeler\VersionControl\Status\RevStatusCache.cs:line 149 at Mendix.Modeler.VersionControl.Status.RevStatusCache.RefreshUnits[TUnit](IEnumerable`1 units) in c:\cygwin\home\autobuild\build\Mendix-3.0\modeler\Modeler\VersionControl\Status\RevStatusCache.cs:line 125 at Mendix.Modeler.Operations.StorageUI.Save(IStorageUnit unit) in c:\cygwin\home\autobuild\build\Mendix-3.0\modeler\Modeler\Operations\StorageUI.cs:line 19 at Mendix.Modeler.Common.TabbedEditorControl.ForceSave() in c:\cygwin\home\autobuild\build\Mendix-3.0\modeler\Modeler\Common\Editors\TabbedEditorControl.cs:line 88 at Mendix.Modeler.Common.TabbedEditorControl.Save() in c:\cygwin\home\autobuild\build\Mendix-3.0\modeler\Modeler\Common\Editors\TabbedEditorControl.cs:line 83 at Mendix.Modeler.ModelerGui.MenuFileSave() in c:\cygwin\home\autobuild\build\Mendix-3.0\modeler\Modeler\ModelerGui.cs:line 637 at Mendix.Modeler.WindowsGUI.mnuSave_Click(Object sender, EventArgs e) in c:\cygwin\home\autobuild\build\Mendix-3.0\modeler\Modeler\WindowsGUI.cs:line 694 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.FireEventInteractive(EventArgs e, ToolStripItemEventType met) at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met) at System.Windows.Forms.ToolStripMenuItem.ProcessCmdKey(Message& m, Keys keyData) at System.Windows.Forms.ToolStripManager.ProcessShortcut(Message& m, Keys shortcut) at System.Windows.Forms.ToolStripManager.ProcessCmdKey(Message& m, Keys keyData) at System.Windows.Forms.ContainerControl.ProcessCmdKey(Message& msg, Keys keyData) at System.Windows.Forms.Form.ProcessCmdKey(Message& msg, Keys keyData) at System.Windows.Forms.Control.ProcessCmdKey(Message& msg, Keys keyData) at System.Windows.Forms.ContainerControl.ProcessCmdKey(Message& msg, Keys keyData) at TD.SandDock.DocumentContainer.ProcessCmdKey(Message& msg, Keys keyData) at System.Windows.Forms.Control.ProcessCmdKey(Message& msg, Keys keyData) at System.Windows.Forms.ContainerControl.ProcessCmdKey(Message& msg, Keys keyData) at TD.SandDock.DockControl.ProcessCmdKey(Message& msg, Keys keyData) at Mendix.Modeler.Common.SandDockTab.ProcessCmdKey(Message& msg, Keys keyData) in c:\cygwin\home\autobuild\build\Mendix-3.0\modeler\Modeler\Common\Editors\SandDockTab.cs:line 61 at System.Windows.Forms.Control.ProcessCmdKey(Message& msg, Keys keyData) at System.Windows.Forms.ContainerControl.ProcessCmdKey(Message& msg, Keys keyData) at System.Windows.Forms.Control.ProcessCmdKey(Message& msg, Keys keyData) at System.Windows.Forms.ContainerControl.ProcessCmdKey(Message& msg, Keys keyData) at System.Windows.Forms.Control.ProcessCmdKey(Message& msg, Keys keyData) at System.Windows.Forms.Control.ProcessCmdKey(Message& msg, Keys keyData) at System.Windows.Forms.ContainerControl.ProcessCmdKey(Message& msg, Keys keyData) at System.Windows.Forms.Control.ProcessCmdKey(Message& msg, Keys keyData) at System.Windows.Forms.ContainerControl.ProcessCmdKey(Message& msg, Keys keyData) at System.Windows.Forms.Control.PreProcessMessage(Message& msg) at System.Windows.Forms.Control.PreProcessControlMessageInternal(Control target, Message& msg) at System.Windows.Forms.Application.ThreadContext.PreTranslateMessage(MSG& msg)
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1 answers
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You will get this error if you have closed the Stories and/or Changes dock. Keeping those docks open will solve this problem. This issue will be fixed in a future beta/release candidate of 3.0.

We apologize for the inconvenience.

answered