My lenny penguin ran into
Error retrieving bug reports from the server with the following error message:
W: invalid date
It could be because your network is down, or because of broken proxy servers, or the BTS server itself is down. Check network configuration and try again
Retry downloading bug information?[Y/n]?
during aptitude full-upgrade. (about 2 month interval since last update)
Web search does not give me much info.
Has anybody ever run into this?
By the way, etch does not have problem, I guess proxy, BTS and network are OK.