Index: branches/5.2.x/core/install/upgrades.sql
===================================================================
diff -u -N -r16538 -r16560
--- branches/5.2.x/core/install/upgrades.sql	(.../upgrades.sql)	(revision 16538)
+++ branches/5.2.x/core/install/upgrades.sql	(.../upgrades.sql)	(revision 16560)
@@ -2940,3 +2940,5 @@
 UPDATE Modules
 SET ClassNamespace = 'InPortal\\Core'
 WHERE `Name` IN ('Core', 'In-Portal');
+
+DELETE FROM CachedUrls;