Erro with add Stored Procedure in Crystal

Good Morning.

When i try to add one Stored Procedure in Crystal Reports, show me the error about parameters:

[IMG]http://i51.tinypic.com/zmz8cm.jpg" />

the stored is:

Code:

---

CREATE DEFINER=`root`@`localhost` PROCEDURE `sp_ChequesDevolvidos`(vDataInicio date, vDataFim date)
BEGIN
      *
      *SELECT SEMANA_CADASTRADOS,
              *  QTD_CADASTRADOS,
              *  SOMA_CADASTRADOS,
              *  SEMANA_DEVOLVIDOS,
              *  QTD_DEVOLVIDOS,
              *  SOMA_DEVOLVIDOS
      *FROM
          (
          SELECT WEEK(CHEQUE_DTCADASTRO) as 'SEMANA_CADASTRADOS',
                  COUNT(*) as 'QTD_CADASTRADOS',
                  SUM(CHEQUE_VALOR) as 'SOMA_CADASTRADOS'
          FROM cheques
          WHERE CHEQUE_DTCADASTRO BETWEEN vDataInicio AND vDataFim
          GROUP BY WEEK(CHEQUE_DTCADASTRO)
          )c left join
          (
          SELECT WEEK(CHEQUE_DTDEVOLUCAO) as 'SEMANA_DEVOLVIDOS',
                  COUNT(*) as 'QTD_DEVOLVIDOS',
                  SUM(CHEQUE_VALOR) as 'SOMA_DEVOLVIDOS'
          FROM cheques
          WHERE CHEQUE_DTDEVOLUCAO BETWEEN vDataInicio AND vDataFim
          GROUP BY WEEK(CHEQUE_DTDEVOLUCAO)
          )a
          on c.SEMANA_CADASTRADOS = a.SEMANA_DEVOLVIDOS;         
END;

---

Someone know how i find a solution for this ?
I use Crystal Reports 8.5 and MySql.

the image:

http://i51.tinypic.com/zmz8cm.jpg"

I solve this problem!
I instal the driver Mysql odbc 5.1.8 and fixed the problem.
If someone need, the driver is in :http://dev.mysql.com/downloads/connector/odbc/