Attempt to add part at undefined sensor 1 on conveyor coneyor001？

dd13616

Attempt to add part at undefined sensor 1 on conveyor coneyor001是怎么回事？

" s/ e) z) ~; _- Dconveyor元素的input rule：
if nparts(coneyor001)<5
pull from buf1 with labor1 using path
" @4 l: V( X0 B/ n6 e. kelse
wait
4 {; j5 ~/ F$ q" m7 _endif