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？

1 ?9 B: L9 Q* n5 I( ]/ Sconveyor元素的input rule：
if nparts(coneyor001)<5
3 c) f9 q$ B# j- Cpull from buf1 with labor1 using path
9 S8 ^) a+ G/ u3 |else
wait
endif