BUG #4544: Wiki user update error

The following bug has been logged online:

Bug reference:      4544
Logged by:          Marcus Kempe
Email address:      marcus.kempe@gmail.com
PostgreSQL version: N/A
Operating system:   N/A
Description:        Wiki user update error
Details:

While trying to update my user preferences in the wiki, I get the error
below.

URL for the page in question:
http://wiki.postgresql.org/wiki/Special:Preferences

Warning: pg_query_params(): Query failed: ERROR:  function
community_login_setinfo(unknown, unknown, unknown, unknown) does not exist
LINE 1: SELECT community_login_setinfo($1, $2, $3, $4)
               ^
HINT:  No function matches the given name and argument types. You might need
to add explicit type casts. in
/usr/local/www/mediawiki/extensions/PgAuthPlugin.php on line 224

Warning: pg_num_rows(): supplied argument is not a valid PostgreSQL result
resource in /usr/local/www/mediawiki/extensions/PgAuthPlugin.php on line
226

Warning: pg_free_result(): supplied argument is not a valid PostgreSQL
result resource in /usr/local/www/mediawiki/extensions/PgAuthPlugin.php on
line 236