Add Stored procedure to Entity Framework .Net 4.5

Question

I create a Stored procedure with visual Studio 2008 R2 and it consist with a User define Table type

When Adding EF Model a Will appear and Say  "Identifire is Null or Empty"

 

my Table Type

 

CREATE TYPE [dbo].[DeviceList] AS TABLE(

[Device] [int] NOT NULL

)

 

my Stored Procedure  

 

ALTER PROCEDURE [Cen].[AllocateUsersToDevice]

(

--@TblDeviceList DeviceList READONLY

)

AS

 

DECLARE @EmpNO varchar(50),

@DeviceNo int

DECLARE @cus_EmpList CURSOR

DECLARE @cus_DeviceList CURSOR

BEGIN

- ----Code Goes here

END

 Anyone can help me with this?????