builder.html.js

[app.Builder.js] / builder.html.js

diff --git a/builder.html.js b/builder.html.js
index 837e80f..183711e 100644 (file)
--- a/builder.html.js
+++ b/builder.html.js
@@ -221,7 +221,7 @@ Builder  = {
              
         }
         if (cfg.xtype) {
-            if (typeof(cfg.xns[cfg.xtype]) == 'undefined') {
+            if (!cfg.xns || typeof(cfg.xns[cfg.xtype]) == 'undefined') {
                 throw "Invalid Xtype " + this.xtreepath;
             }
         }