web/src/App.js

@@ -61,10 +61,6 @@ class App extends Component {
           this.state.renderFinish &&
           <h2> Pairs saved </h2>
         }
-        {
-          !this.state.renderFinish &&
-          <h2> Pairs could not be saved ! </h2>
-        }
       </div>
     );
   }