Index: lams_bb_integration/web/modules/preview.jsp
===================================================================
RCS file: /usr/local/cvsroot/lams_bb_integration/web/modules/Attic/preview.jsp,v
diff -u -r1.6 -r1.7
--- lams_bb_integration/web/modules/preview.jsp	6 Aug 2014 19:36:21 -0000	1.6
+++ lams_bb_integration/web/modules/preview.jsp	23 Dec 2014 10:38:35 -0000	1.7
@@ -65,7 +65,7 @@
         }
         
         //redirect to preview lesson
-        String previewUrl = LamsSecurityUtil.generateRequestURL(ctx, "learnerStrictAuth", lsId);
+        String previewUrl = LamsSecurityUtil.generateRequestURL(ctx, "learnerStrictAuth", "" + lsId);
         response.sendRedirect(previewUrl);
 	%>