How to solve error component oledb destination has no input or all of its input are already connected to other output ssis?

problem

How to solve error component oledb destination has no input or all of its input are already connected to other output ssis ?

I have excel sheet 2007 and have SQL server 2012 with visual studio 2010
I already finish ssis package and when execute package no data Importing from excelsheet to SQL server 2012
although excel sheet have rows
when make double click excel source i can see what inside excel sheet data
when click oledb source destination i can see what inside table on SQL server 2012 data

so what i do to solve this error please ?

What I have tried:

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CREATE TABLE [dbo].[EMP_A](
	[Id] [int] NULL,
	[Name] [nvarchar](500) NULL,
	[Dept] [varchar](10) NULL
) ON [PRIMARY]

GO

SET ANSI_PADDING OFF
GO

ALTER TABLE [dbo].[EMP_A] ADD  DEFAULT ('IT') FOR [Dept]
GO

please double click on the line connecting them the one with the dots and show us what it does there?

thank you for support my problem solved
the problem that i drag old data source and this is wrong
correct drag ole db destination data source