Yes, we did, actually. In order to fix the problem, you have to leave the game in one DS for a couple of days; everything in Join Avenue will reset and you're good to go. It is one mistake I'm not repeating ever again, however.
Official Cresselia of the B/W2 Boards; when will there be an official Cresselia event? Official Darkrai of the PMD: Magnagate and the Infinite Labyrinth Board
It seems it's not so much a glitch as a failsafe to prevent changing the DS clock to abuse the ingame features. The same thing happened to me when I adjusted for Daylight Savings Time. After a day or two it'll start working again. --- "Anything worth fighting for is worth fighting dirty for!"
You'd think after 14-15 years, Gamefreak and or Nintendo would come up with an idea for the 49 United States that go by the abomination known as Daylight Savings Time. Even the PSP has a DST on/off setting. --- Official Sisyphus of the Kingdom Hearts: Birth By Sleep Board Chances are slm to none at best