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？
- }+ z" U) G0 a! ^9 [) d7 g2 q
" ^( [, l5 k' i$ kconveyor元素的input rule：
if nparts(coneyor001)<5
pull from buf1 with labor1 using path
( ?- `6 d( m) t7 p) D) selse
wait
0 q0 u( L- A7 w- z! ?6 rendif