Dmitry Tkach <dmitry@openratings.com> writes:
> ERROR: No one parent tuple was found
Closing out other open transactions will probably make that go away.
You should also consider updating to 7.2.3, if you're not there already.
(IIRC, there is a partial fix in 7.2.3. 7.3 will fix all the causes we
know about.)
regards, tom lane