@@ -38,7 +38,7 @@ public class SettingHome {

 	private Logger logger = LoggerFactory.getLogger(getClass());

-	private final BmHelper bmh; 

+	private final BmHelper bmh;

 	private static SettingHome instance = new SettingHome(BmHelper.get());

@@ -371,6 +371,10 @@ public class SettingHome {

 				String qInsert = "INSERT INTO pref (eid, option, value) VALUES (?, ?, ?)";

 				ps = con.prepareStatement(qInsert);

 				for (String key : settings.keySet()) {

+					if (settings.get(key) == null) {

+						continue;

+					}

+

 					int idx = 1;

 					ps.setInt(idx++, entityId);

 					ps.setString(idx++, key);