Getting sencha touch error when clicking off modal screen

[davisty]

Uncaught TypeError: Property '2' of object function (e, args) { gen.call(dom, e, o, fn, scope, ename, dom, arguments.callee, args); },function (e, args) {

var  listPanel = new Ext.Panel({                       
id : 'listPanel',                                      
renderTo:'modaldiv',                                   
floating : true,                                       
centered : false,                                      
height   : 300,                                        
width    : 400,                                        
layout: 'fit',                                         
modal:true,                                            
items: [{                                              
xtype: 'list',                                         
id : 'List1',                                          
emptyText: 'No Records were found ',                   
showAnimation: {                                       
               type: 'pop',                            
               duration: 250                           
store: naStore,                                       
itemTpl: tpl,                                         
grouped: true,                                        
onItemDisclosure: function(record, btn, index) {      
var thisfield = Ext.getCmp(field);                    
thisfield.setValue(record.data.NACUST);               
                }                                     
        }]                                            
      });                                             
    listPanel.showBy(field);                          
    listPanel.show();

[davisty]

Fixed, multiple instances causing the error