Hi, Ann

> That's one of the internal "can't happen" errors. For reasons

unclear

> to me, only 20 transactions are allowed to share a single page in

cache.

If it means that only 20 transactions can modify one record (or even
several records of the page) at the same time, it could probably
explain the error. We use several tables with just a few records that
are changed so often that we may get over the limit before the
transactions are committed.

> This is not a user level error, it's a bug, and should be sent to

the

> devel list. Please tell them I sent you, and please think of

anything

> that's different at this one client.

I surely will, although the short term solution seems to be only
design change of the application.

Thanks for help,
Michal