DMT - System.IO.FileLoadException

Suddenly, a process that had been working is now failing for a user. Anyone have any ideas to try to resolve this?

Kinetic 2022.1.8

Application: dmt.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.IO.FileLoadException
at System.Reflection.RuntimeAssembly.GetType(System.Reflection.RuntimeAssembly, System.String, Boolean, Boolean, System.Runtime.CompilerServices.ObjectHandleOnStack)
at System.Reflection.RuntimeAssembly.GetType(System.String, Boolean, Boolean)
at System.Reflection.Assembly.GetType(System.String, Boolean)
at System.Windows.Baml2006.Baml2006SchemaContext.ResolveBamlTypeToType(BamlType)
at System.Windows.Baml2006.Baml2006SchemaContext.ResolveBamlType(BamlType, Int16)
at System.Windows.Baml2006.Baml2006SchemaContext.GetXamlType(Int16)
at System.Windows.Baml2006.Baml2006Reader.Process_ElementStart()
at System.Windows.Baml2006.Baml2006Reader.Process_OneBamlRecord()
at System.Windows.Baml2006.Baml2006Reader.Process_BamlRecords()
at System.Windows.Baml2006.Baml2006Reader.Read()
at System.Windows.Markup.WpfXamlLoader.TransformNodes(System.Xaml.XamlReader, System.Xaml.XamlObjectWriter, Boolean, Boolean, Boolean, System.Xaml.IXamlLineInfo, System.Xaml.IXamlLineInfoConsumer, MS.Internal.Xaml.Context.XamlContextStack`1<System.Windows.Markup.WpfXamlFrame>, System.Windows.Markup.IStyleConnector)
at System.Windows.Markup.WpfXamlLoader.Load(System.Xaml.XamlReader, System.Xaml.IXamlObjectWriterFactory, Boolean, System.Object, System.Xaml.XamlObjectWriterSettings, System.Uri)

Exception Info: System.Windows.Markup.XamlParseException
at System.Windows.Markup.WpfXamlLoader.Load(System.Xaml.XamlReader, System.Xaml.IXamlObjectWriterFactory, Boolean, System.Object, System.Xaml.XamlObjectWriterSettings, System.Uri)
at System.Windows.Markup.WpfXamlLoader.LoadBaml(System.Xaml.XamlReader, Boolean, System.Object, System.Xaml.Permissions.XamlAccessLevel, System.Uri)
at System.Windows.Markup.XamlReader.LoadBaml(System.IO.Stream, System.Windows.Markup.ParserContext, System.Object, Boolean)
at System.Windows.Application.LoadComponent(System.Object, System.Uri)
at Epicor.DMT.UI.App.InitializeComponent()
at Epicor.DMT.UI.App.Main()