Looks like you will have to wait just a little while longer before getting to play with your new toy.
According to 9 to 5 Mac, new iPhone 14 users may experience messaging issues if they try to use their device right out the box…
To not cause any more static, Apple has already released iOS 16.0.1 that should prompt users to update during the setup process.
if not, you can always go into the iPhone Settings > General > Software Update to queue up the update.
So fire off that update, and go waste some time for a couple minutes