Index: lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/dbupdates/patch20151217.sql
===================================================================
diff -u -r1cc2a9ceba256eb4abb0cbdb42c28085c9fc7d42 -r38222feff12a76d347f145b23b570a05d3158ec4
--- lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/dbupdates/patch20151217.sql	(.../patch20151217.sql)	(revision 1cc2a9ceba256eb4abb0cbdb42c28085c9fc7d42)
+++ lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/dbupdates/patch20151217.sql	(.../patch20151217.sql)	(revision 38222feff12a76d347f145b23b570a05d3158ec4)
@@ -24,6 +24,7 @@
 REFERENCES `tl_laqa11_content` (`uid`) ON DELETE CASCADE ON UPDATE CASCADE;
 
 
+ALTER TABLE tl_laqa11_usr_resp MODIFY COLUMN qa_que_content_id BIGINT(20) DEFAULT NULL;
 ALTER TABLE tl_laqa11_usr_resp DROP FOREIGN KEY FK_tl_laqa11_usr_resp_2;
 ALTER TABLE tl_laqa11_usr_resp ADD CONSTRAINT FK_tl_laqa11_usr_resp_2 FOREIGN KEY (`qa_que_content_id`)
 REFERENCES `tl_laqa11_que_content` (`uid`) ON DELETE CASCADE ON UPDATE CASCADE;