Que erro é esse ? quot; External Exception 80000003 quot;

Quando tento executar minha query com o SQL abaixo, aparece a mensagem de erro [color=red:c0bfff9110]´ EXTERNAL EXCEPTION 80000003 ´.[/color:c0bfff9110]
Alguém sabe o que pode ser isso ?


Eis o SQL da Query
============

[color=blue:c0bfff9110]SELECT
CAST(9 as Integer) as Regiao,
C10_UF,
Met_Vend,
Pro_Grupo,
Pro_Condic,
Met_Produt,
Met_Rea01 as Comparado,
CAST(0 as Integer) as Analisado,
CAST(0 as Integer) as TotClaCom,
CAST(0 as Integer) as TotClaAna,
CAST(0 as Integer) as TotGruCom,
CAST(0 as Integer) as TotGruAna,
CAST(0 as Integer) as TotCom,
CAST(0 as Integer) as TotAna

FROM ´c:\estoque\SCEMeta.dbf´
JOIN ´c:\estoque\SCEProdu.dbf´ ON Pro_Produt = Met_Produt
JOIN ´c:\estoque\Cre10.dbf´ ON C10_Codigo = Met_Vend
WHERE ( (Pro_Acab = ´S´) AND (Pro_Desc = ´S´) )
and ( Met_Ano = 2004 )[/color:c0bfff9110]