Bo Peng wrote:
options "pdftex,usenames" for beamer but still get the 'option clashwhy do you need the pdftex option? It could be detected by nearly all packages itself. And beamer itself passes it to hyperref use "dvipsnames,xcolor" as class optionspdftex is suggested by the error message. I have tried many options, including yours, with no success.
send me the lyx _and_ the exported latex file Herbert
