XmlException: 'summary' is expected

This error started appearing every so often in my console today while I was working. It doesn't seem to be causing any problems, but it's showing up every couple minutes or so while I work (editor and play mode). I think it's Bolt-related, but I'm not sure:

XmlException: 'summary' is expected file:///C:/Program Files/Unity/Editor/Data/Managed/UnityEngine/UnityEngine.CoreModule.xml Line 17230, position 15.
Mono.Xml2.XmlTextReader.Expect (System.String expected)
Mono.Xml2.XmlTextReader.ReadEndTag ()
Mono.Xml2.XmlTextReader.ReadContent ()
Mono.Xml2.XmlTextReader.Read ()
System.Xml.XmlTextReader.Read ()
Mono.Xml.XmlFilterReader.Read ()
Mono.Xml.XmlFilterReader.Read ()
System.Xml.XmlReader.ReadEndElement ()
System.Xml.Linq.XElement.LoadCore (System.Xml.XmlReader r, LoadOptions options)
System.Xml.Linq.XNode.ReadFrom (System.Xml.XmlReader r, LoadOptions options)
System.Xml.Linq.XContainer.ReadContentFrom (System.Xml.XmlReader reader, LoadOptions options)
System.Xml.Linq.XElement.LoadCore (System.Xml.XmlReader r, LoadOptions options)
System.Xml.Linq.XNode.ReadFrom (System.Xml.XmlReader r, LoadOptions options)
System.Xml.Linq.XContainer.ReadContentFrom (System.Xml.XmlReader reader, LoadOptions options)
System.Xml.Linq.XElement.LoadCore (System.Xml.XmlReader r, LoadOptions options)
System.Xml.Linq.XNode.ReadFrom (System.Xml.XmlReader r, LoadOptions options)
System.Xml.Linq.XContainer.ReadContentFrom (System.Xml.XmlReader reader, LoadOptions options)
System.Xml.Linq.XElement.LoadCore (System.Xml.XmlReader r, LoadOptions options)
System.Xml.Linq.XNode.ReadFrom (System.Xml.XmlReader r, LoadOptions options)
System.Xml.Linq.XContainer.ReadContentFrom (System.Xml.XmlReader reader, LoadOptions options)
System.Xml.Linq.XElement.LoadCore (System.Xml.XmlReader r, LoadOptions options)
System.Xml.Linq.XNode.ReadFrom (System.Xml.XmlReader r, LoadOptions options)
System.Xml.Linq.XContainer.ReadContentFrom (System.Xml.XmlReader reader, LoadOptions options)
System.Xml.Linq.XDocument.ReadContent (System.Xml.XmlReader reader, LoadOptions options)
System.Xml.Linq.XDocument.LoadCore (System.Xml.XmlReader reader, LoadOptions options)
System.Xml.Linq.XDocument.Load (System.String uri, LoadOptions options)
System.Xml.Linq.XDocument.Load (System.String uri)
Ludiq.XmlDocumentation.GetDocumentationUncached (System.Reflection.Assembly assembly) (at C:/Users/lazlo/Projects/Ludiq/Ludiq.Core/Editor/Documentation/XmlDocumentation.cs:126)
Ludiq.XmlDocumentation.BackgroundWork () (at C:/Users/lazlo/Projects/Ludiq/Ludiq.Core/Editor/Documentation/XmlDocumentation.cs:49)
System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:222)
Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation.
System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:232)
System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Reflection/MethodBase.cs:115)
Ludiq.BackgroundWorker+<>c__DisplayClass0_0.<.cctor>b__4 () (at C:/Users/lazlo/Projects/Ludiq/Ludiq.Core/Editor/Threading/BackgroundWorker.cs:55)
Ludiq.BackgroundWorker.Work () (at C:/Users/lazlo/Projects/Ludiq/Ludiq.Core/Editor/Threading/BackgroundWorker.cs:142)
UnityEngine.Debug:LogException(Exception)
Ludiq.<>c__DisplayClass21_0:<Work>b__0() (at C:/Users/lazlo/Projects/Ludiq/Ludiq.Core/Editor/Threading/BackgroundWorker.cs:146)
UnityEditor.EditorApplication:Internal_CallDelayFunctions()