SSIS upgrade 2008R2 to 2012

Hi,

I've an independent .dtsx SSIS file, created using 2008R2 I used sqlserver data tools to upgrade the pkg to 2012, when I run I am getting the below error.

Started:  1:52:37 AM
Error: 2015-06-10 01:53:13.78
   Code: 0xC0208452
   Source: Load Sup Data Load Sup Table [2]
   Description: ADO NET Destination has failed to acquire the connection {PP6BXXX-46B3-46C0-A4E3-52BD1234569} with the following error message: "A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)".

Error: 2015-06-10 02:09:49.05
   Code: 0xC0047017
   Source: Load Supp Data SSIS.Pipeline
   Description: Load Supplemental Table failed validation and returned error code 0xC0208452.
End Error
Error: 2015-06-10 02:09:49.05
   Code: 0xC004700C
   Source: Load Supp Data SSIS.Pipeline
   Description: One or more component failed validation.
End Error
Error: 2015-06-10 02:09:49.05
   Code: 0xC0024107
   Source: Load Supp Data 
   Description: There were errors during task validation.
End Error
DTExec: The package execution returned DTSER_FAILURE (1).
Started:  2:09:12 AM
Finished: 2:09:49 AM
Elapsed:  36.579 seconds
 2:09:49.11 - ERROR: Unable to execute SSIS package [1001] 

Thanks

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Neil