why 'id_moin' column is Invalid into table-valued procedure.

hi

this is my code:

USE [rasol]

GO

/****** Object: UserDefinedTableType [dbo].[hesab_moin_update]    Script Date: 09/16/2013 16:26:56 ******/

CREATETYPE [dbo].[hesab_moin_update]ASTABLE(

     [id_moin] [int] NOT NULL,

     [moin_name] [nvarchar](70)NOTNULL,

     [id_kol] [int] NOT NULL,

     [kol_name] [nvarchar](70)NOTNULL

)

GO

SETANSI_NULLSON

GO

SETQUOTED_IDENTIFIERON

GO

ALTERproc [dbo].[hesab_moin_update]

@bb dbo.hesab_moin_updatereadonly

as

setnocounton;

    UPDATE dbo.hesab_moin

    SET hesab_moin.moin_name= ec.moin_name,hesab_moin.id_kol= ec.id_kol,hesab_moin.kol_name= ec.kol_name

    FROM dbo.hesab_moinINNERJOIN @bb AS ec

   ON dbo.hesab_moin.id_moin= ec.id_moin

when i run the procedure it get this error :