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.AddLandmark$11.onQueryTextChange(AddLandmark.java:373)
	at androidx.appcompat.widget.SearchView.onTextChanged(SearchView.java:1182)
	at androidx.appcompat.widget.SearchView$10.onTextChanged(SearchView.java:1720)
	at android.widget.TextView.sendOnTextChanged(TextView.java:12365)
	at android.widget.TextView.handleTextChanged(TextView.java:12480)
	at android.widget.TextView$ChangeWatcher.onTextChanged(TextView.java:15900)
	at android.text.SpannableStringBuilder.sendTextChanged(SpannableStringBuilder.java:1274)
	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:577)
	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:508)
	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:38)
	at android.view.inputmethod.BaseInputConnection.replaceTextInternal(BaseInputConnection.java:1026)
	at android.view.inputmethod.BaseInputConnection.replaceText(BaseInputConnection.java:962)
	at android.view.inputmethod.BaseInputConnection.commitText(BaseInputConnection.java:241)
	at com.android.internal.inputmethod.EditableInputConnection.commitText(EditableInputConnection.java:222)
	at android.view.inputmethod.RemoteInputConnectionImpl.lambda$commitText$16(RemoteInputConnectionImpl.java:627)
	at android.view.inputmethod.RemoteInputConnectionImpl.$r8$lambda$DuD803urSTti1OmMx2Hq0yX1sSU(Unknown Source:0)
	at android.view.inputmethod.RemoteInputConnectionImpl$$ExternalSyntheticLambda15.run(Unknown Source:8)
	at android.os.Handler.handleCallback(Handler.java:1000)
	at android.os.Handler.dispatchMessage(Handler.java:104)
	at android.os.Looper.loopOnce(Looper.java:242)
	at android.os.Looper.loop(Looper.java:362)
	at android.app.ActivityThread.main(ActivityThread.java:8393)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:552)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:992)