[luatex] LuaTeX crashes

[Vafa Khalighi]

What does

 (./test.auxlualatex: ../../../texk/web2c/luatexdir/pdf/pdfpage.w:97:
synch_pos_with_cur: Assertion `0' failed.

) [1


means? I am getting with this minimal example:


 \documentclass{article}

\usepackage{luadirections}

\bidion

\begin{document}

\begin{tabular}{c}

1

\end{tabular}

\end{document}



luadirections from https://github.com/khaledhosny/luadirections
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