BUG #3555: does not work VACUUM

The following bug has been logged online:

Bug reference:      3555
Logged by:          Dmitry
Email address:      dd442@mail.ru
PostgreSQL version: 8.1
Operating system:   Linux Slackware 11
Description:        does not work VACUUM
Details:

root@darkstar:~# su postgres
postgres@darkstar:/root$ postgres -D /var/lib/pgsql/data/ -P taxi
WARNING:  database "baza" must be vacuumed within 976150 transactions
HINT:  To avoid a database shutdown, execute a full-database VACUUM in
"baza".
WARNING:  database "baza" must be vacuumed within 976150 transactions
HINT:  To avoid a database shutdown, execute a full-database VACUUM in
"baza".

PostgreSQL stand-alone backend 8.1.5


backend>VACUUM;


WARNING:  database "baza" must be vacuumed within 976005 transactions
HINT:  To avoid a database shutdown, execute a full-database VACUUM in
"baza".
WARNING:  database "baza" must be vacuumed within 976004 transactions
HINT:  To avoid a database shutdown, execute a full-
[...]
WARNING:  database "baza" must be vacuumed within 975895 transactions
HINT:  To avoid a database shutdown, execute a full-database VACUUM in
"baza".
backend>


is not got use VACUUM, VACUUM FULL...

3 months PostgreSQL work together with 1C:Enterprice 8.1 server.

Prompt, how correct givenned mistake.

Thank you, Dmitry.