LaTeX.org

After update tex, the TeXify process does go through without error.

Thank you, Johanness, for the suggestion!

Johannes_B wrote:Check the log file for xparse and check where it is loaded. I think you have an outdated version somewhere.

Thanks Johannes,

I'm in the process of updating MiKTex as you suggested. Let's see if the error disappears.

Hi guys,

I'm rather new to both LaTex and the template achemso, with which I'm trying to write an article.

However, somehow I'm getting the error:

! Undefined control sequence.
1.1342 \msg_kernel_new:nnn
{ xparse } { bad-arg-spec }
?

I basically just installed the CTex package and then ...