ConTeXt LMTX version: 2024.05.27 18:16 Sample tex file: \setupbackend[export=yes] \starttext x \startsectionlevel \startitemize \item \startitemize \item \startitemize \item \stopitemize \stopitemize \stopitemize \stopsectionlevel \stoptext Error log: tex error > tex error on line 1 in file ./input.tex: lua error: registered function call [252]: ...mtx/tex/texmf-context/tex/context/base/mkxl/back-exp.lmt:1426: attempt to get length of a nil value (local 'td') stack traceback: ...mtx/tex/texmf-context/tex/context/base/mkxl/back-exp.lmt:1426: in upvalue 'pushcontent' ...mtx/tex/texmf-context/tex/context/base/mkxl/back-exp.lmt:1597: in upvalue 'collectresults' ...mtx/tex/texmf-context/tex/context/base/mkxl/back-exp.lmt:1867: in upvalue 'collectresults' ...mtx/tex/texmf-context/tex/context/base/mkxl/back-exp.lmt:1867: in upvalue 'collectresults' ..... ...mtx/tex/texmf-context/tex/context/base/mkxl/back-exp.lmt:1867: in upvalue 'collectresults' ...mtx/tex/texmf-context/tex/context/base/mkxl/back-exp.lmt:1969: in upvalue 'nodes_handlers_export' [string "local tonut = nodes.tonut..."]:27: in function <[string "local tonut = nodes.tonut..."]:12> (...tail calls...) ...mtx/tex/texmf-context/tex/context/base/mkxl/node-shp.lmt:38: in function <...mtx/tex/texmf-context/tex/context/base/mkxl/node-shp.lmt:37> (...tail calls...) 1 >> \setupbackend[export=yes] 2 3 \starttext 4 x 5 \startsectionlevel 6 \startitemize 7 \item 8 \startitemize 9 \item 10 \startitemize 11 \item mtx-context | fatal error: return code: 1