Dear all maintainers,

> \documentclass{article}
> \usepackage{hyperref}
> \usepackage{amsthm}
> \usepackage{cleveref}
> \newtheorem{thm}{Theorem}[section]
> \newtheorem{rmk}[thm]{Remark}
> \begin{document}
> \begin{rmk}\label{test}
> Test content
> \end{rmk}
>
> See the test found in \cref{test}
> \end{document}

will lead to the error

> ! Argument of \eorem:syle has an extra }.
> <inserted text>
> \par
> l.8 \begin{rmk}
> \label{test}

Reference: https://tex.stackexchange.com/q/491933/15172

As far as I understand, it is because that cleveref overrides several macros including \@thm.

Best wishes,