Added catching for no Paths in Dataset

src/main/java/seng202/group9/GUI/FlightRDController.java

@@ -120,6 +120,7 @@ public class FlightRDController extends Controller {
     public void load() {
         theDataSet = getParent().getCurrentDataset();
         if (theDataSet != null) {
+            try {
                 try {
                     currentPathId = theDataSet.getFlightPaths().get(0).getID(); //Sets the default to the 1st Path
                 } catch (DataException e) {
@@ -139,6 +140,9 @@ public class FlightRDController extends Controller {
                 flightPaths = theDataSet.getFlightPaths();
                 ArrayList<FlightPoint> flightPoints = flightPaths.get(0).getFlight();
                 flightTableView.setItems(FXCollections.observableArrayList(flightPoints));
+            }catch(IndexOutOfBoundsException e){
+                System.out.println("There is no Paths to show");
+            }
         }
     }