Idcrick - If the error is that the ipad cannot connect to the U-verse wi-fi, I had the same problem. I was trying to catch up on a bunch of updates before going to ios7 & it seemed very slow. I believe I got a couple going at the same time & looking for something to keep busy while waiting . This appears to be a mistake. The ipad is more a serial machine than we are now used to with computers.
I believe the U-verse app could not get time on the wi-fi & errored out. I suggest trying one app at a time & close apps you are not using. IOS7 close method is more fun than the previous way.
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I don't know when you experienced this problem, but I am able to use the app on my Ipad. I installed the last IOS update a few days ago, but I never saw this message. I see they have updated the site so the issue could have been due maintnenace being done to the site.