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？
; }  f  k1 {/ K: c5 T5 e
conveyor元素的input rule：
% |; S3 j) v) o  kif nparts(coneyor001)<5
% R/ P" d3 E! }9 @3 ppull from buf1 with labor1 using path
else
) x' b0 X+ a+ M5 |wait
& ^. g- I. s/ M, d2 }endif