title: SharePoint - cannot complete this action error
body: <p>Really wish i was God, then I would understand what this means:</p>
  
  <p>The element 'MyList' of type 'ListInstance' for feature 'MyLists' (id: f3981600-  c824-4f88-85ce-94d049ba63ee) threw an exception during activation: Cannot complete this action.  Please try again.     </p>
  
  <p>Anyone know what this error "really means". Its happening when i try activate the feature. </p>
  
  <p>The feature on activated code is pretty straight forward:</p>
  
  <pre><code>    public override void FeatureActivated(SPFeatureReceiverProperties properties)
      {
          using (SPWeb site = properties.Feature.Parent as SPWeb)
          {
              SPList list = site.Lists["My Messages"];
              list.ContentTypesEnabled = true;
              list.Update(); 
          }
      }
  </code></pre>