Index: lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/NoticeboardContent.java
===================================================================
diff -u -r52a4351eae82892bd70258e945803a29ca23e112 -r66cd2357155016230b9ca14d7c130d0a51021b9d
--- lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/NoticeboardContent.java	(.../NoticeboardContent.java)	(revision 52a4351eae82892bd70258e945803a29ca23e112)
+++ lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/NoticeboardContent.java	(.../NoticeboardContent.java)	(revision 66cd2357155016230b9ca14d7c130d0a51021b9d)
@@ -25,6 +25,7 @@
 import java.util.Set;
 import java.util.HashSet;
 
+
 /**
  * Persistent noticeboard object/bean that defines the content for the noticeboard tool.
  * Provides accessors and mutators to get/set noticeboard attributes
@@ -70,7 +71,7 @@
 	private Date dateUpdated;
 	
 	/** persistent field */
-	private Set nbSessions;
+	private Set nbSessions = new HashSet();
 	
 	/** default constructor */
 	public NoticeboardContent()
@@ -339,5 +340,5 @@
 		return newContent;
 	}
    
-   
+	
 }