problem with revtex

[Joćo Manuel Viana Parente Lopes]

I 've tryed to compile the lyx revtex template file lyx-1.1.6fix1
and I've found errors in latex :
Package babel Error: You have an old interface to call babel 
\bblstyerror....
TeX capacity exceeded, sorry [parameter stack size=500].\end{document}...
Incomplete \iffalse; all text was ignored after line 9. \end{document}....

I don't know what's happen but I would like to use lyx and revtex....

Thank's

João Lopes