According to the log, you need to configure the export to use xelatex.

The error using xelatex is at this point, where it seems you should not
use math-mode:

l.86 $\LaTeX
            $

Do you have this in your code? Did you try removing the enclosing $?

Best,

Alan

-- 
OpenPGP Key ID : 040D0A3B4ED2E5C7
Monthly Athmospheric CO₂, Mauna Loa Obs. 2018-02: 408.35, 2017-02: 406.42