Is anyone else getting this error with Studio version 4.1.5 when loading some projects?
Could not load solution. Collection was modified: enumeration operation may not execute.
Stack trace:
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object
at Xamarin.Ide.Components.XamarinComponentReference.get_Id () [0x00000] in <filename unknown>:0
at (wrapper delegate-invoke) <Module>:invoke_string__this___XamarinComponentReference (Xamarin.Ide.Components.XamarinComponentReference)
at System.Reflection.MonoProperty.GetterAdapterFrame[XamarinComponentReference,String] (System.Reflection.Getter2 getter, System.Object obj) [0x00000] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin/build-root/mono-3.0.12/mcs/class/corlib/System.Reflection/MonoProperty.cs:247
at System.Reflection.MonoProperty.GetValue (System.Object obj, System.Object[] index) [0x0008e] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin/build-root/mono-3.0.12/mcs/class/corlib/System.Reflection/MonoProperty.cs:315
--- End of inner exception stack trace ---
at System.Reflection.MonoProperty.GetValue (System.Object obj, System.Object[] index) [0x000a1] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin/build-root/mono-3.0.12/mcs/class/corlib/System.Reflection/MonoProperty.cs:317
at MonoDevelop.Core.Serialization.ItemProperty.GetValue (System.Object obj) [0x00038] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Core.Serialization/ItemProperty.cs:184
at MonoDevelop.Core.Serialization.ClassDataType.Serialize (MonoDevelop.Core.Serialization.SerializationContext serCtx, System.Object obj) [0x00043] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Core.Serialization/ClassDataType.cs:316
at MonoDevelop.Core.Serialization.ClassDataType.OnSerialize (MonoDevelop.Core.Serialization.SerializationContext serCtx, System.Object mapData, System.Object obj) [0x0010f] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Core.Serialization/ClassDataType.cs:301
at MonoDevelop.Core.Serialization.DataSerializer.OnSerialize (MonoDevelop.Core.Serialization.DataType dataType, MonoDevelop.Core.Serialization.SerializationContext serCtx, System.Object mapData, System.Object value) [0x00001] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Core.Serialization/DataSerializer.cs:96
at MonoDevelop.Core.Serialization.DataType.Serialize (MonoDevelop.Core.Serialization.SerializationContext serCtx, System.Object mapData, System.Object value) [0x0000b] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Core.Serialization/DataType.cs:101
at MonoDevelop.Core.Serialization.DataContext.SaveConfigurationData (MonoDevelop.Core.Serialization.SerializationContext serCtx, System.Object obj, System.Type type) [0x0001d] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Core.Serialization/DataContext.cs:108
at MonoDevelop.Core.Serialization.DataSerializer.Serialize (System.Object obj, System.Type type) [0x00001] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Core.Serialization/DataSerializer.cs:71
at MonoDevelop.Projects.Formats.MSBuild.MSBuildProjectHandler.WriteBuildItemMetadata (MonoDevelop.Core.Serialization.DataSerializer ser, MonoDevelop.Projects.Formats.MSBuild.MSBuildItem buildItem, System.Object dataItem, System.Collections.Generic.Dictionary2 oldItems) [0x0004b] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects.Formats.MSBuild/MSBuildProjectHandler.cs:1544
at MonoDevelop.Projects.Formats.MSBuild.MSBuildProjectHandler.SaveItem (IProgressMonitor monitor, MonoDevelop.Projects.Formats.MSBuild.MSBuildSerializer ser, MonoDevelop.Projects.Formats.MSBuild.MSBuildProject msproject, System.Object ob, System.Collections.Generic.Dictionary2 oldItems) [0x00092] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects.Formats.MSBuild/MSBuildProjectHandler.cs:1328
at MonoDevelop.Projects.Formats.MSBuild.MSBuildProjectHandler.SaveProject (IProgressMonitor monitor) [0x00a6c] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects.Formats.MSBuild/MSBuildProjectHandler.cs:1186
at MonoDevelop.Projects.Formats.MSBuild.MSBuildProjectHandler.SaveItem (IProgressMonitor monitor) [0x00008] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects.Formats.MSBuild/MSBuildProjectHandler.cs:982
at MonoDevelop.Projects.Formats.MSBuild.MSBuildHandler.Save (IProgressMonitor monitor) [0x00081] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects.Formats.MSBuild/MSBuildHandler.cs:130
at MonoDevelop.Projects.SolutionEntityItem.OnSave (IProgressMonitor monitor) [0x00008] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/SolutionEntityItem.cs:327
at MonoDevelop.Projects.DotNetProject.OnSave (IProgressMonitor monitor) [0x00028] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/DotNetProject.cs:737
at MonoDevelop.Projects.DefaultProjectServiceExtension.Save (IProgressMonitor monitor, MonoDevelop.Projects.SolutionEntityItem entry) [0x00001] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/ProjectService.cs:647
at MonoDevelop.Projects.ProjectServiceExtension.Save (IProgressMonitor monitor, MonoDevelop.Projects.SolutionEntityItem item) [0x0000a] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/ProjectServiceExtension.cs:67
at MonoDevelop.Projects.ProjectServiceExtension.Save (IProgressMonitor monitor, MonoDevelop.Projects.SolutionEntityItem item) [0x0000a] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/ProjectServiceExtension.cs:67
at MonoDevelop.Autotools.MakefileProjectServiceExtension.Save (IProgressMonitor monitor, MonoDevelop.Projects.SolutionEntityItem entry) [0x00000] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/addins/MonoDevelop.Autotools/MakefileProjectServiceExtension.cs:99
at MonoDevelop.Projects.ProjectServiceExtension.Save (IProgressMonitor monitor, MonoDevelop.Projects.SolutionEntityItem item) [0x0000a] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/ProjectServiceExtension.cs:67
at MonoDevelop.Projects.ProjectServiceExtension.Save (IProgressMonitor monitor, MonoDevelop.Projects.SolutionEntityItem item) [0x0000a] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/ProjectServiceExtension.cs:67
at MonoDevelop.Projects.ProjectServiceExtension.Save (IProgressMonitor monitor, MonoDevelop.Projects.SolutionEntityItem item) [0x0000a] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/ProjectServiceExtension.cs:67
at MonoDevelop.Projects.ProjectServiceExtension.Save (IProgressMonitor monitor, MonoDevelop.Projects.SolutionEntityItem item) [0x0000a] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/ProjectServiceExtension.cs:67
at MonoDevelop.Projects.ProjectServiceExtension.Save (IProgressMonitor monitor, MonoDevelop.Projects.SolutionEntityItem item) [0x0000a] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/ProjectServiceExtension.cs:67
at MonoDevelop.Projects.ProjectServiceExtension.Save (IProgressMonitor monitor, MonoDevelop.Projects.SolutionEntityItem item) [0x0000a] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/ProjectServiceExtension.cs:67
at MonoDevelop.Projects.CompiledAssemblyExtension.Save (IProgressMonitor monitor, MonoDevelop.Projects.SolutionEntityItem item) [0x00001] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/CompiledAssemblyProject.cs:231
at MonoDevelop.Projects.ProjectServiceExtension.Save (IProgressMonitor monitor, MonoDevelop.Projects.SolutionEntityItem item) [0x0000a] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/ProjectServiceExtension.cs:67
at MonoDevelop.Projects.ProjectServiceExtension.Save (IProgressMonitor monitor, MonoDevelop.Projects.SolutionEntityItem item) [0x0000a] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/ProjectServiceExtension.cs:67
at MonoDevelop.Projects.SolutionEntityItem.Save (IProgressMonitor monitor) [0x0003a] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/SolutionEntityItem.cs:274
at MonoDevelop.Ide.ProjectOperations.Save (MonoDevelop.Projects.SolutionEntityItem entry) [0x00056] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.1.5-branch/c83a26fb/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/ProjectOperations.cs:362