Hi, the \convertedsubcounter pass its argument to the no longer existing \strc_counters_converted command. \permanent\tolerant\protected\def\convertedsubcounter[#1]#*[#2]#*[#3]% #2 can be n or n:m   {\ifarguments\or -    \strc_counters_converted[#1][]% +    \convertedcounter[#1][]%    \else -    \strc_counters_converted[#1][\c!numbersegments=#2,#3]% +    \convertedcounter[#1][\c!numbersegments=#2,#3]%    \fi} Wolfgang