java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.Iterator java.util.ArrayList.iterator()' on a null object reference
	at com.entitcs.office_attendance.activities.CreateOfficeLandmark$5.onQueryTextChange(CreateOfficeLandmark.java:269)
	at androidx.appcompat.widget.SearchView.onTextChanged(SearchView.java:1182)
	at androidx.appcompat.widget.SearchView$10.onTextChanged(SearchView.java:1720)
	at android.widget.TextView.sendOnTextChanged(TextView.java:9406)
	at android.widget.TextView.handleTextChanged(TextView.java:9493)
	at android.widget.TextView$ChangeWatcher.onTextChanged(TextView.java:12145)
	at android.text.SpannableStringBuilder.sendTextChanged(SpannableStringBuilder.java:1252)
	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:573)
	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:504)
	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:502)
	at android.view.inputmethod.BaseInputConnection.replaceText(BaseInputConnection.java:863)
	at android.view.inputmethod.BaseInputConnection.setComposingText(BaseInputConnection.java:627)
	at com.android.internal.view.IInputConnectionWrapper.executeMessage(IInputConnectionWrapper.java:396)
	at com.android.internal.view.IInputConnectionWrapper$MyHandler.handleMessage(IInputConnectionWrapper.java:85)
	at android.os.Handler.dispatchMessage(Handler.java:106)
	at android.os.Looper.loop(Looper.java:192)
	at android.app.ActivityThread.main(ActivityThread.java:6754)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:549)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:828)