Hi, Nested flow charts do not work in the current chart module. \usemodule[chart] \startFLOWchart[A] \startFLOWcell \name{A} \location{1,1} \text{A} \stopFLOWcell \stopFLOWchart \startFLOWchart[B] \includeFLOWchart[A][x=1,y=1] \stopFLOWchart \startFLOWchart[C] \includeFLOWchart[B][x=1,y=1] \stopFLOWchart \starttext \FLOWchart[A] \FLOWchart[B] \FLOWchart[C] \stoptext gives ! LuaTeX error ...-minimals/texmf-context/tex/context/base/m-chart.lua:563: attempt to get length of local 'connections' (a nil value) stack traceback: ...-minimals/texmf-context/tex/context/base/m-chart.lua:563: in function 'process_connections' ...-minimals/texmf-context/tex/context/base/m-chart.lua:827: in function 'makechart' ...-minimals/texmf-context/tex/context/base/m-chart.lua:870: in function 'flow_make_chart' <main ctx instance>:1: in main chunk. system > tex > error on line 24 in file te Aditya