{NEOWEBSCRIPT ERROR: can't read "conn": no such variable}

can't read "conn": no such variable
    while executing
"pg_exec $conn $query"
    (procedure "doquery" line 16)
    invoked from within
"doquery {dbname=enn user=careilly} {select headline from stories where oid=7605618}"
    ("uplevel" body line 1)
    invoked from within
"uplevel $args"
    (procedure "slave_unknown" line 4)
    invoked from within
"doquery "dbname=enn user=careilly" "select headline from stories where oid=$responses(code)""
    invoked from within
"$safeInterp eval $ssiCode"

{NEOWEBSCRIPT ERROR: can't read "conn": no such variable}

can't read "conn": no such variable
    while executing
"pg_exec $conn $query"
    (procedure "doquery" line 16)
    invoked from within
"doquery $_dbstring $_query a b"
    (procedure "hselect" line 2)
    invoked from within
"hselect {dbname=enn user=careilly} {select oid,*, date_part('day',publicationdate) as pday, date_part('month',publicationdate) as pmonth, date_part('y..."
    ("uplevel" body line 1)
    invoked from within
"uplevel $args"
    (procedure "slave_unknown" line 4)
    invoked from within
"hselect "dbname=enn user=careilly" "select oid,*, date_part('day',publicationdate) as pday, date_part('month',publicationdate) as pmonth, date_part('y..."
    invoked from within
"$safeInterp eval $ssiCode"