Try turning your ipod/smartphone completely off( boot it) and back on again. I have a few apps that give me that error when I have the wifi or 3g turned off when I try to use it. If none of that works reinstall it.
The best measure of a man's honesty isn't his income tax return. It's the zero adjust on his bathroom scale.- Arthur C Clarke
Travel is fatal to prejudice, bigotry, and narrow-mindedness. - Mark Twain