had that error when somehow two FFnumbers where attached to my PNR, after CSR at airport (TXL,getting there by car, was even faster than waiting for 60 min on the phone) removed one of them, I could MMB again
Originally Posted by
nivsy
Thanks for the responses. Actually I gave wrong travel date it is 16 march. If I knew this is such a changeable flight I might have tried other departure point. Still unable via the mmb to change seats. It allows for the process then continually comes up with "unexpected error"..bit frustrating.