Incorrect configuration was the initial cause of the issue that caused the unexpected crash of the website that the team was developing. The diagram given is an example of a fishbone diagram or a cause-and-effect diagram that shows the possible causes of a problem or effect. The diagram has four main categories: people, process, technology, and environment. Each category has subcategories that list specific factors that may contribute to the problem or effect. The diagram shows that incorrect configuration under technology was marked as an initial cause of website crash.