I wish I could. I have very little insight. I presume it's some sort of "normal business reasons", but the from my point of view the decision process went something like this:

Me: "It's finished, here are the areas of strength and weakness, and here's where we can deploy the system for maximum effectiveness."

Business: "We're thinking about the best way to deploy this."

Me: "This is how you deploy it."

Business: "We'll think about and get back to you. Don't do anything until we tell you."

Me: "..."

Business: "..."