It's telling you that it tried wifi and could not connect so it's trying 3g which is turned off. Check your wifi connection. If you just updated to iOS 4.3.3, some people are having trouble with wifi. Search for "bad wifi connection" as there are several things you can try to cure the problem.
Try to turn off your router, unplug it for about 8-10 min. and restart it.
Go into Settings > General > Network and tell it to forget network, then set it up again. These are just a few of the things you can do, but they fix most of the problems.