Found in Xamarin 4.0.0 & 4.0.1 (build 9)Intellisense-style menu flashes open, then exception is thrown:
System.NullReferenceException: Object reference not set to an instance of an object.
at MonoDevelop.FSharp.TipFormatter.findMonoDocProviderForEntity[a](a file, String key)
at MonoDevelop.FSharp.TipFormatter.findDocForEntity(String file, String key)
at MonoDevelop.FSharp.TipFormatter.buildFormatComment(XmlComment cmt)
at MonoDevelop.FSharp.TipFormatter.buildFormatElement@238.Invoke(Int32 i, Tuple`2 tupledArg)
at Microsoft.FSharp.Collections.SeqModule.IterateIndexed[T](FSharpFunc`2 action, IEnumerable`1 source)
at MonoDevelop.FSharp.TipFormatter.buildFormatElement(Boolean canAddHeader, DataTipElement el, StringBuilder sb)
at MonoDevelop.FSharp.TipFormatter.buildFormatTip(Boolean canAddHeader, DataTipText tip, StringBuilder sb)
at MonoDevelop.FSharp.TipFormatter.formatTip(Boolean canAddHeader, DataTipText tip)
at MonoDevelop.FSharp.FSharpMemberCompletionData.CreateTooltipInformation(Boolean smartWrap)
at MonoDevelop.Ide.CodeCompletion.TooltipInformationWindow.AddOverload(CompletionData data)
at MonoDevelop.Ide.CodeCompletion.CompletionListWindow.DelayedTooltipShow()
at GLib.Timeout.TimeoutProxy.Handler()
Found in Xamarin 4.0.0 & 4.0.1 (build 9) Intellisense-style menu flashes open, then exception is thrown: