Now it works. Thank you very much, Wolfgang! Cordially, Jairo El lun., 3 de ago. de 2020 a la(s) 23:17, Wolfgang Schuster ( wolfgang.schuster.lists@gmail.com) escribió: > Jairo A. del Rio schrieb am 04.08.2020 um 06:07: > > > The following worked some days ago. Now it crashes: > > > > > \setuphead[chapter][alternative=middle,textstyle=\cap,numbercommand=\WORDS] > > > \setuphead[section][sectionsegments=section,align=middle,textstyle={\bf},conversion=R,numbercommand={\bf}] > > > \setuphead[subsection][numbercommand=,textstyle={\it},sectionsegments=subsection,conversion=n] > > \starttext > > \startchapter[title=Dummy chapter] > > \startsection[title=Dummy section] > > \startsubsection[title=Dummy subsection] > > \input knuth > > \stopsubsection > > \stopsection > > \stopchapter > > \stoptext > > This caused by the second related problem mentioned in my answer, you > get the error message for the \cap and \WORDS command. > > In this case there is a easy fix and also better chapter setup: > > \setuphead > [chapter] > [alternative=middle, > textstyle=cap, > numberstyle=WORD] > > Wolfgang >