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？

; T" R" X& m) N4 q0 D4 Lconveyor元素的input rule：
if nparts(coneyor001)<5
/ }- {- o& F- I; e. K- L' w/ Rpull from buf1 with labor1 using path
else
wait
endif