Index: trunk/core/install/upgrades.sql
===================================================================
diff -u -N -r8560 -r8860
--- trunk/core/install/upgrades.sql	(.../upgrades.sql)	(revision 8560)
+++ trunk/core/install/upgrades.sql	(.../upgrades.sql)	(revision 8860)
@@ -113,3 +113,5 @@
 
 ALTER TABLE Category ADD INDEX (TreeLeft);
 ALTER TABLE Category ADD INDEX (TreeRight);
+
+INSERT INTO ConfigurationValues (`VariableId` , `VariableName` , `VariableValue` , `ModuleOwner` , `Section` ) VALUES (DEFAULT, 'CategoriesRebuildSerial', '0', 'In-Portal', '');
\ No newline at end of file