cadintx Posted August 14, 2014 Posted August 14, 2014 I was in paper view adding the final touches to the title block (copy/paste text and a rectangle). I then saved the file and went to export it to a PDF and AutoCAD shut itself down. I re-opened AutoCAD and opened the file from the recovery window and got the error "Object reference not set to an instance of an object." If I click 'Continue', the same error message keeps popping up. I closed AutoCAD and rebooted my machine. I opened AutoCAD and tried to open the file that I saved just before AutoCAD crashed. I get the same error message. I am unable to get any further in AutoCAD because of this error message. Is there any way to save this file or am I doomed to start over on this drawing? Here's the Exception Text: ************* Exception Text ************** System.NullReferenceException: Object reference not set to an instance of an object. at Autodesk.Aec.AecLayerManagerEx.standardFilter_Update(Object sender, UpdateUIEventArgs e) at Autodesk.AutoCAD.LayerManager.MenuItem.UpdateItem(Boolean toolbarUpdate) at Autodesk.AutoCAD.LayerManager.ToolBarButton.UpdateItem() at Autodesk.AutoCAD.LayerManager.LayerManagerControl.Application_Idle(Object sender, EventArgs e) at System.EventHandler.Invoke(Object sender, EventArgs e) at Autodesk.AutoCAD.ApplicationServices.Core.Application.OnIdle() Quote
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