\ledsidenote doesn't work in {ledgroup} in {pages}

[BatrachosPyktes]

With reledpar \ledsidenotes inside ledgroup-environment inside pages-environment don't show up. That's it.

Version

latest version of reledpar

TeX Engine

luatex

Minimal Working Example

% uses-*- MODE: latex; TeX-engine: luatex; coding: utf-8; -*-
\RequirePackage{xparse}
\RequirePackage{xpatch}
\documentclass{scrartcl}
\PassOptionsToPackage{no-math}{fontspec}
\usepackage[main=french%,latin
]{babel}
\usepackage{mathtools,letltxmacro}
\usepackage[series={A,B},noend,nofamiliar]{reledmac}
\usepackage[parledgroup% ,sidenotesmarginpage
]{reledpar}
\makeatletter
\sidenotemargin{right}
\sidenotemarginR{right}
\ledpbsetting{after}
\linenummargin{left}
\Xarrangement[A]{paragraph}
\Xarrangement[B]{twocol}
\makeatother
\begin{document}
\begin{pages}
  \begin{Leftside}
    \beginnumbering
    %\begin{otherlanguage}{latin}
      \pstart[\subsection*{Der Fuß der Zeit:}]
      \begin{ledgroup}
        \ledsidenote{26.7}venerat iam tertius dies, id est expectatio
        liberae cenae, sed tot vulneribus 
        \edtext{confossis}{\lemma{confodio}\Bfootnote{To
              wound fatally}}
        fuga magis placebat quam quies. \ledsidenote{26.8}itaque cum maesti
        deliberaremus quonam genere praesentem evitaremus procellam,
        unus
        \ledsidenote{bla}servus Agamemnonis interpellavit trepidantes
        et
        \ledsidenote{26.9}"<{\edtext{quid? vos}{\lemma{quid
              vos?}\Afootnote[nosep]{Müller}}">\ inquit
        "<nescitis, hodie apud quem fiat?
          \edtext{Trimalchio}{\Bfootnote[nosep]{konstr. Trimalchio
              est, apud quem fit}}, lautissimus homo, qui horologium
          in triclinio et bucinatorem habet subornatum,
          ut subinde sciat quantum de vita perdiderit">.
        \ledsidenote{26.10}amicimur ergo diligenter obliti omnium malorum,
        et Gitona libentissime servile officium tuentem
        \edtext{utique hinc}{\Afootnote[nosep]{Öberg: usque hoc}}
        iubemus in balneum sequi.
      \end{ledgroup}
      \pend
    %\end{otherlanguage}
    \endnumbering
  \end{Leftside}
  \begin{Rightside}
    \beginnumbering
    %\begin{otherlanguage}{latin}
      \pstart[\subsection*{lautlos wie eine Sanduhr?}]
      \begin{ledgroup}
        \ledsidenote{26.7}blabla bla blab bkla adhkajhdkjah hdakdh akhdkah
        hfkahf hfaskfeue hfksfhsue skfhurs hskfuer fskfue hfskeu
        hfskefu hfskuer fhsku hfskeru hfuskvb ksufg hskeu hsuk
        \ledsidenote{26.8}vhkfsu hskcd hskdu cskhfql scheifaesl
      \end{ledgroup}
      \pend
    %\end{otherlanguage}
    \endnumbering
  \end{Rightside}
\end{pages}
\Pages
\end{document}