=?ISO-8859-1?Q?Ken=E9z_Attila?= <akenez@energo-szoft.hu> writes:
> I have this error message during (I think) a simple select. (I think only
> because the user is far from me and I cannot reproduce the error.)
It might be caused by corrupted data on disk (specifically, a bad length
word in a variable-length field). Hard to tell with so little info.
regards, tom lane