error with mor than 1 sub-select

Hi,

I am fairly new to PostgreSQL but not to SQL. Is this a bug or a
limitation...

The first query works fine, but when a second sub-query is added I get a
syntax error...

psql protocal2 -U p2user << EOF1
select *
from serv_res SR
where serv_key = 10
and not exists
(select 1
from reservation R
)
-- and not exits
-- (select 1
-- from interval R1
-- )
order by 1
;
select *
from serv_res SR
where serv_key = 10
and not exists
(select 1
from reservation R
)
and not exits
(select 1
from interval R1
)
order by 1
;

EOF1

The output is as follows:

Password for user p2user:
serv_key | res_key | start_off_min | duration_min
----------+---------+---------------+--------------
(0 rows)

ERROR: syntax error at or near "select" at character 192
LINE 9: (select 1
^

Note: This is not the actual query I want to run but just kept removing
complexity until the problem (multiple sub-selects) seemed obvious.
--
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