Hi, \setuphead[section] [ alternative=middle, header=high, page=yes, ] \starttext \section{Test} \stoptext with ConTeXt ver: 2012.01.02 21:59 MKIV gives: ! Undefined control sequence. system > tex > error on line 9 in file test.tex: Undefined control sequence ... 1 \setuphead[section] 2 [ 3 alternative=middle, 4 header=high, 5 page=yes, 6 ] 7 \starttext 8 9 >> \section{Test} 10 \stoptext 11 \page_layouts_synchronize_element_indeed ...ounds \else \ifx \previoustextst... \page_layouts_synchronize_element ...t_indeed {#1} \fi <inserted text> ..._element \currentlayoutelement \fi \docommand ...=high]\the \everysetuplayoutelement \next1 #1,->\docommand {#1} \syst_helpers_do_process_comma_item \syst_helpers_do_process_comma_list ...rgument #1, ]\relax \global \advance \... ... l.9 \section{Test} Aditya