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' S0 L3 D4 O
2 v% F" U& b1 I, q* ^: {2 _; Kconveyor元素的input rule：
1 L4 P: l2 |  K7 Zif nparts(coneyor001)<5
pull from buf1 with labor1 using path
else
, J  j; e/ N3 C6 R9 Rwait
endif