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？
0 |; a4 A7 @" D. m
4 d( \% S' [1 I7 m/ x! uconveyor元素的input rule：
) @0 @# o9 S8 D6 ?5 ~# Iif nparts(coneyor001)<5
pull from buf1 with labor1 using path
else
wait
3 `- e4 M" j0 I+ F1 Gendif