Sorry, my Enter key got blocked while I was sending to you the following lines. It seems to have killed your thread.
Here is my post:

Peter,

I had misunderstood your situation. As usually, Pat gave relevant advice so did you follow his second indication (deleting and re setting the source)? It is aimed to tackle a pb with reports in Access that seem to remember the previous source and not to update the fields available for the controls without this little manip.