SharePoint: Error occurred in deployment step Add Solution

Problem

You attempt to deploy a new Visual Studio 2010 solution to SharePoint 2010.  After you click Deploy, you see the following error appear in the Error list:

Error 3 Error occurred in deployment step 'Add Solution': The solution does not have a WSP file associated with it [your feature or solution name]

You attempt to deploy the solution again, but again experience the same error.  There appears to be no issue with your solution.

Solution

Perform an IISRESET /noforce

References

• Deployment Error: "The solution does not have a WSP file associated with it"