Astella project structure: hide errors component, otherwise one can navigate from it to 'libraries' view and have no way to return back to original view

java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ProjectStructureConfigurable.java

@@ -625,6 +625,8 @@ public class ProjectStructureConfigurable extends BaseConfigurable implements Se
     return myToFocus;
   }
 
-
+  protected void hideErrorsComponent() {
+    myErrorsComponent.setVisible(false);
+  }
 
 }