App crashes on selecting some contacts

[midhunhk]

The app crashes when adding some contacts with the below stack trace

Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String com.ae.apps.common.vo.ContactVo.getId()' on a null object reference at com.ae.apps.tripmeter.fragments.AddTripDialogFragment.onActivityResult(AddTripDialogFragment.java:175) at android.support.v4.app.FragmentActivity.onActivityResult(FragmentActivity.java:164) at android.app.Activity.dispatchActivityResult(Activity.java:6218) at android.app.ActivityThread.deliverResults(ActivityThread.java:3655) at android.app.ActivityThread.handleSendResult(ActivityThread.java:3702)  at android.app.ActivityThread.access$1300(ActivityThread.java:155)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1366)  at android.os.Handler.dispatchMessage(Handler.java:102)  at android.os.Looper.loop(Looper.java:135)  at android.app.ActivityThread.main(ActivityThread.java:5343)  at java.lang.reflect.Method.invoke(Native Method)  at java.lang.reflect.Method.invoke(Method.java:372)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:905)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700)