Cube package connection issue

Error code : 3000007

Problem : Analysis studio package / cube package connection issue / connection issue with data source
Solution :

1. Go to cognos administration
2. Click respctive data source (which connected to package)
3. Action menu > click on test connection
4. Check connection string properly without missing anything
5. Select the correct dispatcher
6. If you feel you need to correct connection string then, click on close to go back
7. In action menu click on SetProperties
8. Click on connection tab
9. Correct the proper path of .mdc file or cube file and click on ok

Thanks