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？
- x$ V8 j7 z3 }  o% F
) j# q* W  U- mconveyor元素的input rule：
* ~2 s' k/ U. a8 T3 V  V5 Mif nparts(coneyor001)<5
pull from buf1 with labor1 using path
else
: u- c! z# D6 p; ~! owait
5 ]# ?& Z' P- S! ^$ vendif