PolarDB正常的一个UNION ALL查询，不包含子查询，为什么会有这种报错提示？

PolarDB正常的一个UNION ALL查询，不包含子查询，为什么会有
Operand should contain 1 column(s)
这种报错提示？SELECT
ITime
FROM
tb_bb b
INNER JOIN tb_cc c ON
c.bbId = b.Id
INNER JOIN tb_dd d ON
d.bbId = b.Id
WHERE d.stutas != 3
AND b.code IS NULL
AND c.status IN (0, 4)
AND b.status IN (3, 4, 5, 6, 8, 12)
AND (otype = '02'
AND ( ProCode IN ('230000', '220000')
OR CityCode IN ('152200', '150400', '150500', '150700') ))
UNION ALL
SELECT
ITime
FROM
tb_bb b
INNER JOIN tb_cc c ON
c.bbId = b.Id
INNER JOIN tb_dd d ON
d.bbId = b.Id
WHERE d.stutas != 3
AND b.code IS NULL
AND c.status IN (0, 4)
AND b.status IN (3, 4, 5, 6, 8, 12)
AND (otype NOT IN ('01','02','03','04')
AND ( ProCode IN ('230000', '220000')
OR CityCode IN ('152200', '150400', '150500', '150700') ))