Index: lams_common/src/java/org/lamsfoundation/lams/learningdesign/service/ToolContentVersionFilter.java
===================================================================
diff -u -r588fe01186ff8c7c5b215e15f5ac4763137e0284 -r2352106404856bbcfa8691a51b31e58dcb531db3
--- lams_common/src/java/org/lamsfoundation/lams/learningdesign/service/ToolContentVersionFilter.java	(.../ToolContentVersionFilter.java)	(revision 588fe01186ff8c7c5b215e15f5ac4763137e0284)
+++ lams_common/src/java/org/lamsfoundation/lams/learningdesign/service/ToolContentVersionFilter.java	(.../ToolContentVersionFilter.java)	(revision 2352106404856bbcfa8691a51b31e58dcb531db3)
@@ -164,6 +164,7 @@
 		Document eledoc = eleBuilder.build(new StringReader(eleWriter.toString()));
 		Element eleRoot = eledoc.getRootElement();
 		eleRoot.setName(added.fieldname);
+		eleRoot.detach();
 		root.addContent(eleRoot);
 
 		ToolContentVersionFilter.log.debug("Field " + added.fieldname + " in class "