Thank you for this. Sadly, I still get this: resolvers | formats | executing runner 'run luametatex format': /usr/bin/luametatex --jobname="./slide.tex" --socket --shell-escape --fmt=/home/kumar/.texlive2024/texmf-var/luametatex-cache/context/f919750633122078d706dd10f1cfd39b/formats/luametatex/cont-en.fmt --lua=/home/kumar/.texlive2024/texmf-var/luametatex-cache/context/f919750633122078d706dd10f1cfd39b/formats/luametatex/cont-en.lui --c:currentrun=1 --c:fulljobname="./slide.tex" --c:input="./slide.tex" --c:kindofrun=1 --c:maxnofruns=9 --c:texmfbinpath="/usr/bin" system > system > ConTeXt ver: 2024.02.27 09:18 LMTX fmt: 2025.1.15 int: english/english system > system > 'cont-new.mkxl' loaded open source > level 1, order 1, name '/usr/share/texmf/tex/context/base/mkxl/cont-new.mkxl' system > beware: some patches loaded from cont-new.mkiv close source > level 1, order 1, name '/usr/share/texmf/tex/context/base/mkxl/cont-new.mkxl' system > 'cont-sys.mkxl' loaded open source > level 1, order 2, name '/usr/share/texlive/texmf-dist/tex/context/texlive/cont-sys.mkxl' close source > level 1, order 2, name '/usr/share/texlive/texmf-dist/tex/context/texlive/cont-sys.mkxl' system > files > jobname './slide', input './slide.tex', result './slide' fonts > latin modern fonts are not preloaded languages > language 'en' is active open source > level 1, order 3, name './slide.tex' open source > level 2, order 4, name 'env-slides.tex' open source > level 3, order 5, name '/usr/share/texmf/tex/context/fonts/mkxl/type-imp-euler.mkxl' open source > level 4, order 6, name '/usr/share/texmf/tex/context/fonts/mkiv/type-imp-texgyre.mkiv' close source > level 4, order 6, name '/usr/share/texmf/tex/context/fonts/mkiv/type-imp-texgyre.mkiv' open source > level 4, order 7, name '/usr/share/texmf/tex/context/fonts/mkiv/type-imp-dejavu.mkiv' close source > level 4, order 7, name '/usr/share/texmf/tex/context/fonts/mkiv/type-imp-dejavu.mkiv' close source > level 3, order 7, name '/usr/share/texmf/tex/context/fonts/mkxl/type-imp-euler.mkxl' mathematics > tweak > 'Euler-Math', size 11.62003, math size 3, version 'Version 0.61' found, version 'Version 000.002 ' expected colors > 'rgb' color space is supported colors > 'cmyk' color space is supported modules > 'units' is loaded open source > level 3, order 8, name '/usr/share/texmf/tex/context/modules/mkiv/m-units.mkiv' close source > level 3, order 8, name '/usr/share/texmf/tex/context/modules/mkiv/m-units.mkiv' close source > level 2, order 8, name 'env-slides.tex' structures > bookmark: Hi structure > sectioning > title @ level 2 : 0.0 -> Hi metapost > initializing instance 'metafun:1' using format 'metafun' and method 'double' metapost > loading 'metafun' as '/usr/share/texmf/metapost/context/base/mpxl/metafun.mpxl' using method 'double' metapost > initializing number mode 'double' metapost > trace > This is MPLIB for LuaMetaTeX, version 3.14, running in double mode. metapost > trace > metapost > trace > loading metafun for lmtx, including the plain 1.004 base definitions metapost > trace > tex error > tex error on line 1 in file ./slide.tex: lua error: registered function call [254]: /usr/share/texmf/tex/context/base/mkxl/lpdf-lmt.lmt:1681: attempt to perform bitwise operation on a nil value (local 'options') stack traceback: /usr/share/texmf/tex/context/base/mkxl/lpdf-lmt.lmt:1681: in upvalue 'flushrule' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1659: in upvalue 'vlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1196: in upvalue 'hlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1198: in upvalue 'hlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1625: in upvalue 'vlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1196: in upvalue 'hlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1625: in upvalue 'vlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1196: in upvalue 'hlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1198: in upvalue 'hlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1198: in upvalue 'hlist_out' ... (skipping 6 levels) /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1198: in upvalue 'hlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1198: in upvalue 'hlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1625: in upvalue 'vlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1623: in upvalue 'vlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1196: in upvalue 'hlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1198: in upvalue 'hlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1198: in upvalue 'hlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1625: in upvalue 'vlist_out' /usr/share/texmf/tex/context/base/mkxl/driv-shp.lmt:1799: in upvalue 'converter' /usr/share/texmf/tex/context/base/mkxl/lpdf-lmt.lmt:3719: in upvalue 'convert' /usr/share/texmf/tex/context/base/mkxl/driv-ini.lmt:211: in function (...tail calls...) 1 >> \environment env-slides 2 \starttext 3 \setupbodyfont[myfamily] 4 \title{Hi} 5 \startitemize 6 \item $x$ 7 \item \dm{\sqrt{x + y}} 8 \stopitemize 9 \stoptext 10 mtx-context | fatal error: return code: 1 Please let me know if I am making other mistakes. Thanks. Kumar

Thank you. I will get back if an upgrade doesn't sort this out. Kumar