LaTeX.org

Yes, it works now! Thank you very much!

I understand. This is snippet from beggining to \maketitle. Whole tex file has 40kB and ~1700 lines.

%% LyX 2.3.0 created this file. For more info, see http://www.lyx.org/.
%% Do not edit unless you really know what you are doing.
\documentclass[english]{article}
\usepackage[LGR,T1]{fontenc ...

Thanks for reply.

I got the same error if I use preview (Ctrl+R) or File -> Export -> pdflatex.

The log is the same as in my first post.

Hello,

I need help with following error: TeX capacity exceeded, sorry [grouping levels=255] (or 80000, or 100000, depends if I use pdflatex, LuaTex, ps2pdf or so). I guess it is more related to changes in Lyx (or packages), because I tried 2 years old backup of my document and I get this error too ...