bibtex confusion

[Raphael Clifford]

I recently discovered the wonderful bibtex features of lyx and fell in 
love with them. Sadly, after only a day or two we are having our first 
"misunderstanding". I am not entirely sure what happened but now when I 
try to View->postscript my doc I get 2 errors. They are both the same 
and read as follows...

Missing } inserted.
\end{thebibliography}


Does this mean there is an error in my bibtex file or is it something else?

Cheers,
Raphael