Am Donnerstag, dem 11.04.2024 um 18:19 -0400 schrieb Steve Litt: > > If you use non-TeX fonts, you must compile with luatex and lualatex > instead of xelatex. Check your LyX preferences for compiling. > Here I can compile the OPs LyX-file mb.lyx using non-TeX fonts with xelatex (converter LaTeX -> XeTeX: xelatex $$i), so perhaps xelatex is not installed? Tobias