The following fails with an “Unknown control sequence” error. It works if one removes \setupinteraction… or if one removes the \startitemize... from the footnote
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
\startcomponent test

\setupinteraction[state=start,color=blue,%
contrastcolor=darkred,
style=rm,
click=yes,
display=new,
]
\setupnotation[footnote][interaction=yes,
way=bytext,
numberconversion=numbers,
rule=on,
textstyle=normal]

\startitemize[n,broad,joinedup,packed,intro]
[itemalign=flushright,left={},right={},stopper={.},margin=1pc]
\item stuff
\sym{4.} stuff
\sym{10.} more stuff
\sym{11.} and yet more
\stopitemize

a few words.%
%
\footnote
{The current volumes are: 
\startitemize[n,broad,joinedup,packed,intro]
[itemalign=flushright,left={},right={},stopper={.},margin=1pc]
\item stuff
\sym{4.} stuff
\sym{10.} more stuff
\sym{11.} and yet more
\stopitemize
}

\stopcomponent
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Alan