"Jason Doller" <rjd(at)intekom(dot)co(dot)za> writes:
> I'm not sure where this error belongs. I get it when I use pgsql under
> 6.5.3 and try to do a \d. Here is the error:
> Unable to locate type oid 0 in catalog.
That's a fairly low-level backend error. At a guess, your system
catalogs are corrupted somehow, but with so little information to go
on it's hard to say more.
regards, tom lane