[PgSQL 7.4.1] Problem with subquery

Hi,

Yesterday i had upgrade my PostgreSQL server from version 7.2.4
to 7.4.1.

There are troubles with a subquery after the upgrade.

Here is the query:

SELECT team_naam, team_id, wpim, (
SELECT count(thuis_uitslag)
FROM wedstrijden
WHERE (thuis_wed = t.team_id
OR uit_wed = t.team_id)
AND seizoen_id = 3 AND klasse_id = 1)
AS wd, (
SELECT count(t.team_id)
FROM wedstrijden w
WHERE (thuis_wed = t.team_id AND thuis_uitslag >
uit_uitslag OR uit_wed = t.team_id
AND thuis_uitslag < uit_uitslag)
AND seizoen_id = 3
AND klasse_id = 1 )
AS gw
FROM teams t
WHERE seizoen_id = 3 AND klasse_id = 1
GROUP BY t.team_naam, t.team_id, t.team_id, t.wpim

The SQL server returns:
-----------------------
SQL error:
ERROR: more than one row returned by a subquery used as an expression

This query works perfectly in PgSQL v7.2.4, but not in 7.4.1
Does anybody know what's wrong here?

--
Edwin Pauli