--- a/src/js/init.js	Tue Jan 31 17:22:10 2012 +0100
+++ b/src/js/init.js	Wed Feb 01 12:40:45 2012 +0100
@@ -146,7 +146,9 @@
 
 /** configure modules. @see configureWidgets */
 IriSP.configureModules = function (popcornInstance, modulesList) {
- 
+  if (IriSP.null_or_undefined(modulesList))
+    return;
+  
   var serialFactory = new IriSP.SerializerFactory(IriSP.__dataloader);
   var ret_modules = [];
   var index;