Cannot use a user control containing numerivupdown in another project

[pcinfogmach]

System.Windows.Markup.XamlParseException HResult=0x80131501 Message='Set property 'System.Windows.ResourceDictionary.DeferrableContent' threw an exception.' Line number '7' and line position '22'. Source=PresentationFramework StackTrace: at System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri) at System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri) at System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream) at System.Windows.Application.LoadComponent(Object component, Uri resourceLocator) at FullText.FullTxtView.InitializeComponent() in C:\Users\Admin\source\repos\FullText\FullText\FullTxtView.xaml:line 1

This exception was originally thrown at this call stack: [External Code]

Inner Exception 1: FileNotFoundException: Could not load file or assembly 'NumericUpDownLib, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.