This code builds:
\begin{document}
%\begin{CJK*}{UTF8}{gbsn} % to typeset your resume in Chinese using CJK
%----- resume ---------------------------------------------------------
\vspace*{-0.6cm}
\makecvtitle
\vspace{-0.7cm}
%\section{Master thesis}
%\cvitem{title}{\emph{Title}}
%\cvitem{supervisors}{Supervisors}
%\cvitem{description}{Short thesis abstract}
\section{Work Experience \newline}
\cventry{Jan.2020-Present}{dev}{\newline fullstack dev}{}{}
...
while, after adding an itemized list,
\begin{document}
%\begin{CJK*}{UTF8}{gbsn} % to typeset your resume in Chinese using CJK
%----- resume ---------------------------------------------------------
\vspace*{-0.6cm}
\makecvtitle
\vspace{-0.7cm}
%\section{Master thesis}
%\cvitem{title}{\emph{Title}}
%\cvitem{supervisors}{Supervisors}
%\cvitem{description}{Short thesis abstract}
\section{Work Experience \newline}
\cventry{Sep.2020-Present}{dev}{fullstack dev}{\begin{itemize}
\item done this
\item done that
\item done everything
\end{itemize}}{}{}
...
the following error is thrown:
Incomplete \iffalse; all text was ignored after line 80.
You have requested package `moderncvheadi', but the package provides `moderncvheadi'.
You have requested package `moderncvbodyi', but the package provides `moderncvbodyi'.
Line 80 is where the itemized list ends:
\end{itemize}}{}{}
Why is this error thrown?