title: "The invocation of the constructor on type 'TestWPF.MainWindow' that matches the specified binding constraints threw an exception."- how to fix this?
body: <p>I'm working with WPF. When I'm trying to declare <code>SQLiteConnection</code> in the code, the problem arises-</p>
  
  <pre><code>The invocation of the constructor on type 'TestWPF.MainWindow' that matches the specified binding constraints threw an exception.
  
  InnerException: Make sure that the file is a valid .NET Framework assembly.
  </code></pre>
  
  <p>can anyone tell me, how to fix it?</p>