Can anyone figure out why I am getting the SQL 203 below ?

SELECT DISTINCT
SP.SPCLT_CD,
CASE CI.CORP_ENT_CD
WHEN 'IL1' THEN ' '
ELSE SP.PROV_TYP_CD
END AS XPROV_TYP_CD,
ST.PWN_STA_CD
FROM
TPSDB05.PAL_PFI N PP
INNER JOIN
TPSDB05.PWN_CI_ PFIN CI
ON PP.PROV_ID = CI.PROV_ID
INNER JOIN
TPSDB05.PWN_SPC LT SP
ON CI.PROV_ID = SP.PROV_ID...