Many versions of the same document. Intentions were good…a SharePoint site was set up where the latest and most current version of the requirements document would be stored. The business analysts for the client have been very diligent about versioning and updating the SharePoint on a regular and consistent basis. We even worked out a naming convention for version numbers. Unfortunately, what we could not control was what the vendor did. They took copies of our documents, but did not continually get new versions, and then made changes of their own. Now there are at least two versions of each requirements document out there, and the contents are different. Which leads to the next pain….