Welcome to Flyertalk Baflyer1, welcome to the BA forum, it's good to see you here, and a BA regular flyer it would be great to see more of you here, I'm sure you can gain and add a lot to the knowledge base here.

And in that respect, I know that his is just an IT glitch. Every 2 or 3 days, over the last month or so, someone has has reported exactly the same problem. When they get to the airport the check in desks can simply print off the boarding passes without issue. I haven't found out the precise cause yet (is your passport within 6 months of expiry?) but it very occasionally happens. It's a nuisance, particularly at AGP for the reasons you give but I suspect it will be fairly quiet tomorrow.

Here are two examples, there have been 8 cases reported in the last month on this forum that I'm aware of:

http://www.flyertalk.com/forum/briti...sage-olci.html

http://www.flyertalk.com/forum/briti...ding-pass.html