I am getting an error that I cannot understand. Using package incgraph. I have searched Undefined control sequence. @begindocumenthook incgraph unsuccesfully. Using lualatex. Any assistance greatly appreciated.
! Undefined control sequence.
\@begindocumenthook ...eWidth {\the \pdfpagewidth
}\edef \igrOrginalPageHeig...
l.7 \begin{document}
%
\documentclass{article}
\usepackage{incgraph}
\begin{document}%
\incgraph{0001.png}
\incgraph{0002.png}
\incgraph{0003.png}
\incgraph{0004.png}
\end{document}