SSIS- The version number in the package is not valid.

Package migration from version 8 to version 6 failed with error 0xC001700A "The version number in the package is not valid. The version number cannot be greater than current version number.". 

Solution:

1. Go to properties 

2. Change the Version and redeploy the package

3. Copy the DTSX or move it to source server and execute.