index corruption?

This is the second time I've seen this.

7.3.2

This particular table is empty.  I'm trying to read it in a perl script.
It doesn't duplicate regularly (I have a script that creates the database
by copying table data from another databases).

This is the error in the pgsql log:
2003-02-13 16:21:42 [8843]   ERROR:  Index external_signstops_pkey is not a
btree
2003-02-13 16:21:42 [8843]   ERROR:  current transaction is aborted,
queries ignored until end of transaction block

Any ideas?

-- 
Laurette Cisneros, L.D.
The Database Group
(510) 420-3137
NextBus Information Systems, Inc.
www.nextbus.com
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"No man is wise enough by himself"
-- Titus Maccius Plautus   (254 Bc - 184 BC), Miles Gloriosus