NullPointerException #16

Stack trace from Fabric.io. This happened on a Samsung Galaxy S7 Edge, running 7.0. Thank you for your assistance!!

com.codinguser.android.contactpicker.ContactsListFragment$PhoneNumberLookupTask.doInBackground (ContactsListFragment.java:307)

com.codinguser.android.contactpicker.ContactsListFragment$PhoneNumberLookupTask.doInBackground (ContactsListFragment.java:292)

android.os.AsyncTask$2.call (AsyncTask.java:304)

java.util.concurrent.FutureTask.run (FutureTask.java:237)

android.os.AsyncTask$SerialExecutor$1.run (AsyncTask.java:243)

java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1133)

java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:607)

java.lang.Thread.run (Thread.java:762)