Link Text from XML to Dynamic Text fields

Hello Adobe friends,

i have an old flash file which uses ActionScript 2 to read a local XML File and bind some data from it to dynamic Text fields (header1 and header2).

This is the code but it will not work in Animate CC:

stop();

var XMLdaten = new XMLDocument();
XMLdaten.ignoreWhite=true; 
XMLdaten.load("list.xml");
  
XMLdaten.onLoad = function(success) { 
      if (success) { //wenn das laden der File erfolgreich war 
	  	   _root["header1"].text = XMLdaten.childNodes[1].childNodes[0].nodeValue;		   
		   _root["header2"].text = XMLdaten.childNodes[2].childNodes[0].nodeValue;  	
	  }
}

play();