funcionesPRO - Buscar()

Arithmetic overflow error converting expression to data type nvarchar.
SQL: SELECT TOP 100
Reporte_Email.Re_Cve_Reporte_Email as CLAVE,
Reporte_Email.Re_Descripcion as DESCRIPCION,
Reporte_Email.Re_Asunto as ASUNTO,
Reporte_Email.Re_Proximo_Envio as [PROXIMO ENVIO],
(CASE
WHEN Reporte_Email.Re_Repetir_Tipo = 'mi' THEN CAST(Reporte_Email.Re_Repetir_Valor as nvarchar(3)) + ' MINUTOS'
WHEN Reporte_Email.Re_Repetir_Tipo = '... Ver mas