Exception during performFiltering()

[RacZo]

A warning is being thrown when, here is what logcat is showing:

An exception occured during performFiltering()!
                             java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
                                 at com.oscarsalguero.smartystreetsautocomplete.adapter.SmartyStreetsFilter.performFiltering(SmartyStreetsFilter.java:96)
                                 at android.widget.Filter$RequestHandler.handleMessage(Filter.java:234)
                                 at android.os.Handler.dispatchMessage(Handler.java:105)
                                 at android.os.Looper.loop(Looper.java:164)
                                 at android.os.HandlerThread.run(HandlerThread.java:65)

Additional Info:

• HW: Nexus 5X
• OS: Android Oreo (8.0)
• compileSdkversion: 26
• targetSdkVersion: 26
• Support library version: 26.1.0