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？
) q: l; \' H( d. J
4 c4 Y/ t8 J/ H1 wconveyor元素的input rule：
2 X) K5 F' D2 p" }/ x1 f- E* z$ nif nparts(coneyor001)<5
. r; ~7 P  i5 \6 V# ~pull from buf1 with labor1 using path
else
wait
9 Q9 b' x3 q5 ]$ m  Kendif