VACUUM Error - Mailing list pgsql-general

I tried to vaccum a table but get the following error :

NOTICE : Child itemid in update-chain marked as unused - can't continue
vc_repair frag.
VACUUM

What is the problem, and how do I over come it??

Thanks

Hoosain Madhi
Bsc. Engineering Elec.
Switching Engineering
VODACOM CORPORATE PARK
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