gistfile1.txt

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 Mono.TextEditor.TextEditorData.FindPrevious (Boolean setSelection) [0x00012] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.0.13-branch/69ae942d/source/monodevelop/main/src/core/Mono.Texteditor/Mono.TextEditor/TextEditorData.cs:1025 
  at Mono.TextEditor.TextArea.FindPrevious (Boolean setSelection) [0x00008] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.0.13-branch/69ae942d/source/monodevelop/main/src/core/Mono.Texteditor/Mono.TextEditor/Gui/TextArea.cs:2601 
  at Mono.TextEditor.TextEditor.FindPrevious (Boolean setSelection) [0x00008] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.0.13-branch/69ae942d/source/monodevelop/main/src/core/Mono.Texteditor/Mono.TextEditor/Gui/TextEditor.cs:1139 
  at MonoDevelop.SourceEditor.SearchAndReplaceWidget.FindPrevious (Mono.TextEditor.TextEditor textEditor) [0x0000e] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.0.13-branch/69ae942d/source/monodevelop/main/src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor/SearchAndReplaceWidget.cs:851 
  at MonoDevelop.SourceEditor.SearchAndReplaceWidget+<SearchAndReplaceWidget>c__AnonStorey13.<>m__3F (System.Object , System.EventArgs ) [0x00017] in /Users/builder/data/lanes/monodevelop-lion-monodevelop-4.0.13-branch/69ae942d/source/monodevelop/main/src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor/SearchAndReplaceWidget.cs:241 
  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (System.Reflection.MonoMethod,object,object[],System.Exception&)
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00054] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin/build-root/mono-3.2.3/mcs/class/corlib/System.Reflection/MonoMethod.cs:230 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00069] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin/build-root/mono-3.2.3/mcs/class/corlib/System.Reflection/MonoMethod.cs:238 
  at System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) [0x00000] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin/build-root/mono-3.2.3/mcs/class/corlib/System.Reflection/MethodBase.cs:114 
  at System.Delegate.DynamicInvokeImpl (System.Object[] args) [0x000d5] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin/build-root/mono-3.2.3/mcs/class/corlib/System/Delegate.cs:424 
  at System.MulticastDelegate.DynamicInvokeImpl (System.Object[] args) [0x00018] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin/build-root/mono-3.2.3/mcs/class/corlib/System/MulticastDelegate.cs:72 
  at System.Delegate.DynamicInvoke (System.Object[] args) [0x00000] in /private/tmp/source/bockbuild-xamarin/profiles/mono-mac-xamarin/build-root/mono-3.2.3/mcs/class/corlib/System/Delegate.cs:398 
  at GLib.Signal.ClosureInvokedCB (System.Object o, GLib.ClosureInvokedArgs args) [0x00000] in <filename unknown>:0 
  at GLib.SignalClosure.Invoke (GLib.ClosureInvokedArgs args) [0x00000] in <filename unknown>:0 
  at GLib.SignalClosure.MarshalCallback (IntPtr raw_closure, IntPtr return_val, UInt32 n_param_vals, IntPtr param_values, IntPtr invocation_hint, IntPtr marshal_data) [0x00000] in <filename unknown>:0