java.lang.NullPointerException #116

Fatal Exception: java.lang.NullPointerException
at android.support.v7.widget.TooltipPopup.show(TooltipPopup.java:79)
at android.support.v7.widget.TooltipCompatHandler.show(TooltipCompatHandler.java:155)
at android.support.v7.widget.TooltipCompatHandler.onLongClick(TooltipCompatHandler.java:103)
at android.view.View.performLongClick(View.java:4499)
at android.widget.TextView.performLongClick(TextView.java:8578)
at android.view.View$CheckForLongPress.run(View.java:18749)
at android.os.Handler.handleCallback(Handler.java:808)
at android.os.Handler.dispatchMessage(Handler.java:103)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:5333)
at java.lang.reflect.Method.invokeNative(Method.java)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:824)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:640)
at dalvik.system.NativeStart.main(NativeStart.java)