Thanks all. It seems my question wasn't totally dumb. My last Iberia/BA mix on a multi-city TP run resulted in a. BA at LCY not being able to print a boarding pass for my next connecting flight on IB and b. Iberia's computer failing to note my seat reservation, BAEC number and even booked class of service! But then my luck with technology isn't great. When I 'liked' the four replies above (albeit using an iPad made c. 1066) I got 2 like confirmations and 2 error messages....