Simplest etoc with a tabular causes `there is no mc to end` and raises `there is no open structure on the stack` error at end document

[jfbu]

\DocumentMetadata{
 uncompress,
 pdfversion=1.7,
 lang=en-US,
 testphase=phase-III
}
\documentclass{article}
\usepackage{etoc}
\usepackage{hyperref}
\usepackage{array}

\begin{document}
    

\begingroup
\etocglobaldefs % necessary for \etocname etc... to survive to & closing groups

\etocsetlinestyle{section}
  {}
  {\\\etocnumber&\etocname &\etocpage }
  {}
  {}

\etocsettocstyle{\begin{tabular}{ccc}number&name&page}{\end{tabular}}

\tableofcontents

\endgroup

\section{One}

\section{Two}

\section{Three}

\section{Four}

\end{document}

This looks as being in the same area as #20.

[jfbu]

Maybe illustrating same root problem as impacting #20 and #21. Maybe the 'fix' if at all possible would be more on the user side to add custom mark-up to mute all tagsupport hooks into tabular/longtable...