Upgrade from 2.0.3 to 2.1.4 fails on ReduceIndexNameLengthUpgradeTask for index sp_permusername_idx

this is now broken in my upgrade from 2.1.3 to 2.1.4 for ms sql server 2000 with an eval copy - error:

2006-02-17 17:56:26,866 INFO [atlassian.confluence.upgrade.ReduceIndexNameLengthUpgradeTask] executeDdl Running ddl:drop index sp_permusername_idx
2006-02-17 17:56:26,878 ERROR [atlassian.confluence.upgrade.ReduceIndexNameLengthUpgradeTask] executeDdl Error running ddl:drop index sp_permusername_idx
java.sql.SQLException: For DROP INDEX, you must give both the table and the index name, in the form tablename.indexname.
at net.sourceforge.jtds.jdbc.SQLDiagnostic.addDiagnostic(SQLDiagnostic.java:364)

plus a lot more java exceptions. will create another issue for problem.