The source of failure for 90% of projects is their failure to establish a good set of requirements, with project teams only to eager to make a start and the business will bekeen to get the job done.
Far to little attention is paid to this topic and the complexity of the changes.
Why not have a look at our short and informal video on why this is a problem and the key things you should be thinking about.
If we can help further which our short training course on the subject just get in touch with us.