AhmedEzzat12

12-29 05:52:51.655 28405-28405/com.ntl.udacity.bakingapp E/AndroidRuntime: FATAL EXCEPTION: main
                                                                           Process: com.ntl.udacity.bakingapp, PID: 28405
                                                                           java.lang.RuntimeException: Unable to start activity ComponentInfo{com.ntl.udacity.bakingapp/com.ntl.udacity.bakingapp.Activities.MultiPagerStepDetailActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String com.ntl.udacity.bakingapp.Models.Step.getDescription()' on a null object reference
                                                                               at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2817)
                                                                               at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
                                                                               at android.