Passing multi-value parameter in stored procedure

My stored procedure & function works fine. Tested it in Reporting Services 2008. When I try to run the report I get the following error.....

Procedure procMultiPayrollSummaryReport has too many arguments specified

SP .....
ALTER PROCEDURE [dbo].[procMultiPayrollSummaryReport] 
	-- Add the parameters for the stored procedure here
	@FromDate DateTime,
	@ToDate DateTime,
	@EndDate DateTime,
	@Department varchar(100),
	@Division varchar(100),
	@CostCentre varchar(100),
	@Group varchar(100),
	@Payperiod varchar(100),	
	@EmployeeNumber varchar(100),
	@EmployeeName varchar(100),
	@EmployeeSurname varchar(100)
	
	
AS
 
 
BEGIN
	-- SET NOCOUNT ON added to prevent extra result sets from
	-- interfering with SELECT statements.
	SET NOCOUNT ON;
	
	-- Temp Table
	declare @periods table (fromdate datetime, todate datetime)
	declare @idate datetime
	declare @tdate datetime
	declare @DateDiff int	
 
	set @idate = @FromDate
	set @tdate = @ToDate
	set @DateDiff = DATEDIFF(d, @FromDate, @ToDate)	
 
	while @tdate <= @EndDate
	begin
			insert @periods values(@iDate, @tDate)
			set @idate = dateadd(d, datediff(d, @iDate, @tdate), @idate)
			set @tdate = dateadd(d, datediff(d, @iDate, @tdate), @tdate)
			set @tdate = DATEADD(d,@DateDiff,@tdate)
			
	end
 
	--select * from @periods;
    -- Insert statements for procedure here
    SELECT  
        Convert(nvarchar,cast(e.fromdate as nvarchar(10)) + ' to ' + cast(e.todate as nvarchar(10))) AS 'RangeDate',
        a.EmployeeNumber, 
        a.EmployeeName, 
        a.Surname, 
        d.TimeCategoryName,
        c.Hours,
        c.Minutes,
        b.date
	FROM Employee a
	INNER JOIN DailyHours b ON a.EmployeeID = b.EmployeeID 
	INNER JOIN DailyHoursTimeCategories c ON b.DailyHoursID = c.DailyHoursID 
	INNER JOIN TimeCategory d ON c.TimeCategoryID = d.TimeCategoryID
	INNER JOIN @periods e on b.date between e.fromdate and e.todate
	WHERE     a.DepartmentID IN (select Param from dbo.fn_SplitParam(@Department,',')) AND a.DivisionID IN (select Param from dbo.fn_SplitParam( @Division,',')) 
    AND a.CostCentreID IN (select Param from dbo.fn_SplitParam(@CostCentre,',')) AND a.GroupID IN (select Param from dbo.fn_SplitParam(@Group,',')) AND a.PayperiodID IN (select Param from dbo.fn_SplitParam(@Payperiod,',')) AND 
                      (a.EmployeeNumber LIKE @EmployeeNumber + '%') AND (a.EmployeeName LIKE @EmployeeName + '%') AND 
                      (a.Surname LIKE @EmployeeSurname + '%')
                      
                      
    -- ChargeServiceStartDate IN (select Param from fn_SplitParam(@ServiceYear,','))             
    --                  WHERE     (a.DepartmentID = @Department) AND (a.DivisionID = @Division) 
    --AND (a.CostCentreID = @CostCentre) AND (a.GroupID = @Group) AND (a.PayperiodID = @Payperiod ) AND 
    --                  (a.EmployeeNumber LIKE @EmployeeNumber + '%') AND (a.EmployeeName LIKE @EmployeeName + '%') AND 
    --                  (a.Surname LIKE @EmployeeSurname + '%')
                      
                      
--USE VisionEnterprise_db;
--GO
--Execute [dbo].[procMultiPayrollSummaryReport] '2009-01-25 00:00:00.000',
-- '2009/02/25 00:00:00.000',
--  '2009/04/25 00:00:00.000',
--   4,
--    7,
--      4,
--        5,
--         17,
--          23,
--           Eric,
--            Africa;
--GO
    
 	
END
 
FUNCTION
 
ALTER FUNCTION dbo.fn_SplitParam(@RepParam nvarchar(4000), @Delim char(1)= ',')
	RETURNS @Values TABLE (Param nvarchar(4000))AS
	BEGIN
	DECLARE @chrind INT
	DECLARE @Piece nvarchar(4000)
	SELECT @chrind = 1
	WHILE @chrind > 0
	BEGIN
	SELECT @chrind = CHARINDEX(@Delim,@RepParam)
	IF @chrind > 0
	SELECT @Piece = LEFT(@RepParam,@chrind - 1)
	ELSE
	SELECT @Piece = @RepParam
	INSERT @Values(Param) VALUES(@Piece)
	SELECT @RepParam = RIGHT(@RepParam,LEN(@RepParam) - @chrind)
	IF LEN(@RepParam) = 0 BREAK	
END	
	RETURN
	
END

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