When I try to compile my LuaLaTex template file, I get the following error.
./fi-lualatex.toc:33: Missing control sequence inserted.
<inserted text>
\inaccessible
l.33 ...} sectioning commands.}{3}{subsection.2.1.1}
I will share the Overleaf project in question and I allow you to even edit it. The content is not important.
https://www.overleaf.com/4697929jgqygc
Here are some more info for Overleaf.
LOGFILE: https://drive.google.com/file/d/0B5y_o6yDHrmNd0hoM0l4OTJhYmM/view?usp=sharing
\thesis@versiondef{v0.3.34}{2016/02/24}}
This is LuaTeX, Version beta-0.80.0 (TeX Live 2015/Debian) (rev 5238) (format=lualatex 2016.3.4) 24 MAR 2016 10:51 \write18 enabled. file:line:error style messages enabled.