K2 Service Account as Site Collection Administrator

You've developed your K2 process and have deployed it so you can begin to test it. But you're now presented with this elusive error message:

Unable to modify workflow : Server was unable to process request. ---> Attempted to perform an unauthorized operation.

Fortunately, there is an easy fix for this. Simply add the K2 Service account as a site collection administrator and you'll be on your way to testing your next new great process!!!