Index: lams_tool_imscc/src/java/org/lamsfoundation/lams/tool/commonCartridge/service/CommonCartridgeServiceImpl.java
===================================================================
diff -u -ra789c1395e0f8c1f0ded10147c464574c979b69c -r6295cf4835d8f435273ea815741a057d030d3508
--- lams_tool_imscc/src/java/org/lamsfoundation/lams/tool/commonCartridge/service/CommonCartridgeServiceImpl.java	(.../CommonCartridgeServiceImpl.java)	(revision a789c1395e0f8c1f0ded10147c464574c979b69c)
+++ lams_tool_imscc/src/java/org/lamsfoundation/lams/tool/commonCartridge/service/CommonCartridgeServiceImpl.java	(.../CommonCartridgeServiceImpl.java)	(revision 6295cf4835d8f435273ea815741a057d030d3508)
@@ -958,7 +958,7 @@
 		    commonCartridgeDao.removeObject(NotebookEntry.class, entry.getUid());
 		}
 
-		commonCartridgeUserDao.removeObject(CommonCartridgeUser.class, user.getUserId());
+		commonCartridgeUserDao.removeObject(CommonCartridgeUser.class, user.getUid());
 	    }
 	}
     }