BUG #4764: error -7 in like translate

The following bug has been logged online:

Bug reference:      4764
Logged by:          Paulo Marques
Email address:      paulo.dados@gmail.com
PostgreSQL version: 8.3
Operating system:   win server 2003
Description:        error -7 in like translate
Details:

Select the following operating normally in previous versions and the Oracle,
but in version 8.3 always returns with error -7.
The error occurs just like in the upper (translate...
tanks

---------------------------------------

           EXEC SQL
            DECLARE CSR-CALENDARIO CURSOR FOR SELECT

                   "A"."ACA_CdCalend"
                  ,"A"."ALE_CdLetivo"
                  ,"A"."ACA_NmCalend"
                  ,"A"."ACA_DataInicio"
                  ,"A"."ACA_DataFim"
                  ,"B"."EMP_CdEmpresa"
                  ,"B"."ALE_CdLetivo"
                  ,"B"."ALE_Ano"
                  ,"B"."ALE_Periodo"
                  ,"B"."ALE_NmLetivo"
                  ,"B"."ALE_DataInicio"
                  ,"B"."ALE_DataFinal"

              FROM "aCALENDARIO" "A"
                  ,"aLETIVO" "B"

             WHERE ( "B"."EMP_CdEmpresa" = :aLETIVO-EMP-CdEmpresa )
               AND ( "A"."ALE_CdLetivo" = "B"."ALE_CdLetivo" )
               AND (

                    (
                        (UPPER(translate(btrim("A"."ACA_CdCalend"),

'ÁÀÂÃÄÉÈÊËÍÌÎÏÓÒÕÔÖÚÙÛÜÇKZYW',
                         'AAAAAEEEEIIIIOOOOOUUUUCCSIV')))
                        LIKE
                        (UPPER(translate(btrim(:DB-LIKE),

'ÁÀÂÃÄÉÈÊËÍÌÎÏÓÒÕÔÖÚÙÛÜÇKZYW',
                        'AAAAAEEEEIIIIOOOOOUUUUCCSIV')))
                    )

                    OR
                    (
                        (UPPER(translate(btrim("A"."ACA_NmCalend"),

'ÁÀÂÃÄÉÈÊËÍÌÎÏÓÒÕÔÖÚÙÛÜÇKZYW',
                         'AAAAAEEEEIIIIOOOOOUUUUCCSIV')))
                        LIKE
                        (UPPER(translate(btrim(:DB-LIKE),

'ÁÀÂÃÄÉÈÊËÍÌÎÏÓÒÕÔÖÚÙÛÜÇKZYW',
                         'AAAAAEEEEIIIIOOOOOUUUUCCSIV')))
                    )

                    OR
                    (
                        to_char("A"."ACA_DataInicio",'DD/MM/YYYY')
                        LIKE
                        btrim(:DB-LIKE)
                    )

                   )

             ORDER BY  "B"."ALE_Ano"
                      ,"B"."ALE_Periodo"
                      ,"A"."ACA_DataInicio"

               LIMIT :w-Limit