Roo/form/ComboNested.js

diff --git a/Roo/form/ComboNested.js b/Roo/form/ComboNested.js
index 7d25c99..4bf769d 100644 (file)
--- a/Roo/form/ComboNested.js
+++ b/Roo/form/ComboNested.js
@@ -146,7 +146,7 @@ Roo.extend(Roo.form.ComboNested, Roo.form.ComboBox, {
             this.tpl = new Roo.Template({
                 html :  '<div class="'+cls+'-item '+cls+'-item-{cn:this.isEmpty}">{' + this.displayField + '}</div>',
                 isEmpty: function (value, allValues) {
-                    return value.length ? 'has-children' : 'no-children'
+                    return value && value.length ? 'has-children' : 'no-children'
                 }
             });
         }