Strange error message

Adriaan Joubert <a.joubert@albourne.com>

From: Adriaan Joubert <a.joubert@albourne.com>

To: Postgresql <pgsql-hackers@postgreSQL.org>

Date: 2000-09-29T14:46:44Z

Lists: pgsql-hackers

Hi,

    we've suddenly started getting this error message out of postgres
(7.0.2). Does anybody know where it comes from?

ERROR:  UNLockBuffer: buffer 0 is not locked

Any help appreciated,

Adriaan