AddElement: "name missing" pop-up substituted with red mark

.gitignore

@@ -1 +1 @@
-/bin/
+bin/

src/ui/controller/Control.java

@@ -95,7 +95,7 @@ public class Control {
 	}
 
 	public CpsObject searchByID(int ID){
-		return searchByID(ID);
+		return objectController.searchByID(ID);
 	}
 	
 	/* Global Operations*/

src/ui/view/AddElementPopUp.java

@@ -1,6 +1,7 @@
 package ui.view;
 
 import java.awt.BorderLayout;
+import java.awt.Color;
 import java.awt.FlowLayout;
 import java.util.ArrayList;
 
@@ -108,7 +109,8 @@ public class AddElementPopUp extends JDialog {
 								JOptionPane.showMessageDialog(new JFrame(),"Please enter numbers in the Fields amount and providedEnergy");
 							}
 						}else{
-							JOptionPane.showMessageDialog(new JFrame(), "Please enter a Name");
+							//JOptionPane.showMessageDialog(new JFrame(), "Please enter a Name");
+							elementName.setBackground(new Color(255, 50, 50));
 						}
 					}
 				});