Avoid the Bug as Task anti-pattern in TFS

For the last few months I have been working with an enterprise customer that has been steadily adopting Work Item Tracking in TFS. I have learned that you should avoid the Bug as a Task anti-pattern. The customer that I have been working with is fairly large and there are quite a few ALM Consultants […]
Issue [ TFS 2013 ] Value cannot be null. Parameter name: key
When customising your process template work item tracking gives you an “ArgumentNullException: value cannot be null. Parameter name key” exception with no more details.