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System.NullReferenceException: Object reference not set to an instance of an object
at MonoDevelop.IPhone.IPhoneProject.GetBundleResourceId (MonoDevelop.Projects.ProjectFile pf) [0x00000] in /Users/builder/data/lanes/monodevelop-lion-bs1/2be11af9/source/md-addins/MonoDevelop.IPhone/MonoDevelop.IPhone/Project/IPhoneProject.cs:753
at MonoDevelop.IPhone.PlistEditor.IPhonePlistAttachableDisplayBinding.CanHandle (MonoDevelop.Projects.Project project, MonoDevelop.Projects.ProjectFile pf) [0x00000] in /Users/builder/data/lanes/monodevelop-lion-bs1/2be11af9/source/md-addins/MonoDevelop.IPhone/MonoDevelop.IPhone/PlistEditor/IPhonePlistAttachableDisplayBinding.cs:42
at MonoDevelop.MacDev.PlistEditor.PlistEditorAttachableDisplayBindingBase.CanAttachTo (IViewContent content) [0x0002f] in /Users/builder/data/lanes/monodevelop-lion-bs1/2be11af9/source/md-addins/MonoDevelop.MacDev/MonoDevelop.MacDev/PlistEditor/PlistEditorAttachableDisplayBindingBase.cs:50
at MonoDevelop.Ide.Gui.DisplayBindingService.AttachSubWindows (IWorkbenchWindow workbenchWindow, IViewDisplayBinding binding) [0x0003b] in /Users/builder/data/lanes/monodevelop-lion-bs1/2be11af9/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Gui/DisplayBindingService.cs:84
at MonoDevelop.Ide.Gui.LoadFileWrapper.Invoke (System.String fileName) [0x001f6] in /Users/builder/data/lanes/monodevelop-lion-bs1/2be11af9/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Gui/Workbench.cs:1204
at MonoDevelop.Ide.Gui.Workbench.RealOpenFile (IProgressMonitor monitor, MonoDevelop.Ide.Gui.FileOpenInformation openFileInfo) [0x00260] in /Users/builder/data/lanes/monodevelop-lion-bs1/2be11af9/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Gui/Workbench.cs:831
This is pre Xamarin.iOS 6.2.1 which is installing right now.
post 6.2.1 update, same error.
The bug looks like it's actually because you have a plist document opened, and not anything to do with App Store or Release configuration.
I'll try to look into this today.
Okay, so the problem is that you are trying to open a plist document that is not in your project.
I've fixed this to not throw an NRE in git master, so a fix should be in 4.0.4 (if not sooner)
yet, the plist is in the project, but it is as a LINK to info.iOS.plist: