Originally Posted by NSFU
They once converted mine to Air Miles rather than BA Miles

but since I have only a handful of Air Miles in an effectively dormant account that I never look at all I ever noticed was that the miles hadn't posted. A quick email sorted it out remarkably effectively.
Yup, after talking to Tesco it would appear that this is what has happened!! :-(! Have e-mailed AirMiles so hopefully they'll get it sorted now!! Thanks for your help guys!