Index: lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/dbupdates/patch20171011.sql
===================================================================
diff -u -rba995699c252120c1dfcbf13e0043993a804abe6 -rb84f4507a85a8c50ffcce01b5c5a988ac56f0849
--- lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/dbupdates/patch20171011.sql	(.../patch20171011.sql)	(revision ba995699c252120c1dfcbf13e0043993a804abe6)
+++ lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/dbupdates/patch20171011.sql	(.../patch20171011.sql)	(revision b84f4507a85a8c50ffcce01b5c5a988ac56f0849)
@@ -11,7 +11,7 @@
 WHERE
           (a.assessment_uid   = b.assessment_uid OR a.assessment_uid IS NULL AND b.assessment_uid IS NULL)
       AND (a.user_uid = b.user_uid OR a.user_uid IS NULL AND b.user_uid IS NULL)
-      AND (a.latest = b.latest AND latest = 1)
+      AND (a.latest = 1 AND b.latest = 1)
       AND a.uid < b.uid;
       
 --set up tl_laasse10_assessment_result table to properly handle constraint