Index: branches/unlabeled/unlabeled-1.2.2/core/install/upgrades.sql
===================================================================
diff -u -r7837 -r7849
--- branches/unlabeled/unlabeled-1.2.2/core/install/upgrades.sql	(.../upgrades.sql)	(revision 7837)
+++ branches/unlabeled/unlabeled-1.2.2/core/install/upgrades.sql	(.../upgrades.sql)	(revision 7849)
@@ -34,7 +34,7 @@
 ALTER TABLE Category DROP Pop;
 
 ALTER TABLE PortalUser
-	CHANGE CreatedOn CreatedOn INT NOT NULL DEFAULT '0',
+	CHANGE CreatedOn CreatedOn INT DEFAULT NULL,
 	CHANGE dob dob INT(11) NULL DEFAULT NULL,
 	CHANGE PassResetTime PassResetTime INT(11) UNSIGNED NULL DEFAULT NULL,
 	CHANGE PwRequestTime PwRequestTime INT(11) UNSIGNED NULL DEFAULT NULL;