java.lang.NullPointerException: Attempt to invoke virtual method 'int android.graphics.Bitmap.getHeight()' on a null object reference
	at com.entitcs.office_attendance.camera.FaceTrackerActivity.save(FaceTrackerActivity.java:1227)
	at com.entitcs.office_attendance.camera.FaceTrackerActivity.setFaceDetection(FaceTrackerActivity.java:1054)
	at com.entitcs.office_attendance.camera.FaceTrackerActivity.access$200(FaceTrackerActivity.java:111)
	at com.entitcs.office_attendance.camera.FaceTrackerActivity$6$1.onPostExecute(FaceTrackerActivity.java:979)
	at com.entitcs.office_attendance.camera.FaceTrackerActivity$6$1.onPostExecute(FaceTrackerActivity.java:958)
	at android.os.AsyncTask.finish(AsyncTask.java:755)
	at android.os.AsyncTask.access$900(AsyncTask.java:192)
	at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:772)
	at android.os.Handler.dispatchMessage(Handler.java:107)
	at android.os.Looper.loop(Looper.java:238)
	at android.app.ActivityThread.main(ActivityThread.java:7824)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:981)