Error al procesar cubo

¡ Hola ! buenas por favor necesito ayuda urgente,
al ejecutar mi cubo me sale errores como:

1.- Errors in the OLAP storage engine: The process operation ended because the number of errors encountered during processing reached the defined limit of allowable errors for the operation.

2.-Errors in the OLAP storage engine: An error occurred while processing the 'Order Details' partition of the 'Order Details' measure group for the 'Northwind' cube from the DemoNorthwind database.

3.-Errors in the OLAP storage engine: The process operation ended because the number of errors encountered during processing reached the defined limit of allowable errors for the operation.

ayudarme porfavor lo necesito para hoy 18/04/2013