How about this error message:
[09/Jul/2001:09:30:38][416.375][-main-] Error: Your Postgres driver is too old. You need to update.
[09/Jul/2001:09:30:38][416.375][-main-] Notice: database problem found; Sourcing the installer.
This is generated by
/packages/acs-bootstrap-installer/db-init-checks-postgresql.tcl:
if { [catch { ns_pg_bind 1row $db "select count(*) from pg_class" }] } {
set my_errors "Your Postgres driver is too old. You need to update."
set my_error_p 1
}