(_("Collection '%s' hasn't been constructed properly: items' type property was not set at construction time or set to invalid type"),col.get_type().name());
}
if(col.items_name==""||col.items_name==null){
thrownewDomError.INVALID_NODE_TYPE_ERROR
(_("Collection '%s' hasn't been constructed properly: items' name property was not set at construction time"),col.get_type().name());