Hi,
The latest version of lmtx does not allow me to compile the following file although there was no problem before.
Thank you
Fabrice

\startproduct[expertes-manual]
 
  \startfrontmatter

    \setuppagenumbering
       [location=]
   
    \definefont
      [ChapterTextStyle]
      [SansBold*default sa 2.2]

    \setuphead
      [title]
      [style=ChapterTextStyle,
       align=flushright]

    \setuplist
       [chapter]
       [style=bold,
        alternative=b,
        width=1em]
 
    \setuplist
       [section]
       [margin=1em,
        width=1.75em]
 
    \setuplist
       [subsection]
       [margin=2.75em,
        width=2em,
        distance=\spaceamount]

   
    \starttitle[title=Table des matières]

         \placelist
           [chapter,section,subsection]
           [criterium=all,
           interaction=all,
            alternative=c]
   
      \stoptitle
     
    \stopfrontmatter
   
    \startbodymatter
        \component[chapter_1]
        \component[chapter_2]
    \stopbodymatter
   
 
\stopproduct

##########################################################################

tex error       > tex error on line 1 in file ./expertes.tex: Undefined control sequence \undefined

<lua output>
<to be read again>
   
    \relax
<macro> \p_maxwidth
    \dostarttagged \t!listcontent \empty \clf_listtitle {\currentlist }\currentlistindex \relax
    \dostoptagged
<macro> \strc_lists_limitated_text
    #1->\edef \p_maxwidth {\listparameter \c!maxwidth }\ifempty \p_maxwidth \listparameter \c!textcommand {#1}
    \else \listparameter \c!textcommand {\limitatetext {#1}\p_maxwidth {\splitsymbol {\listparameter \c!limittext }}}\fi
<macro> \22>:140>:abc
    ...rence_attribute \v!text \strc_lists_set_style_color \c!textstyle \c!textcolor \v!text \the \t_lists_every_renderingtext \the \t_lists_every_renderingsynchronize \setstrut \begstrut \strc_lists_limitated_text \currentlistentrytitle
    \endstrut \en ...
<macro> \currentlistextra
    ...\begingroup \ifempty \m_strc_list_alternative \edef \currentlistalternative {\listparameter \c!alternative }\else \let \currentlistalternative \m_strc_list_alternative \fi \directsetup {\listalternativeparameter \c!renderingsetup }
    \relax \endgr ...
 ...

<line 3.41>
                alternative=c]

 1 >>  \startproduct[expertes-manual]
 2      
 3       \startfrontmatter
 4    
 5         \setuppagenumbering
 6            [location=]
 7        
 8         \definefont
 9           [ChapterTextStyle]
10           [SansBold*default sa 2.2]
11    
The control sequence at the end of the top line of your error message was never
\def'ed. You can just continue as I'll forget about whatever was undefined.
mtx-context     | fatal error: return code: 256

TeX Output exited abnormally with code 1 at Sat Oct 16 19:28:21