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？

5 m: C. l* q% e' j# n; k$ Oconveyor元素的input rule：
3 r  B4 a7 D. i5 [. f: Lif nparts(coneyor001)<5
" A! \( ]) s9 o" r% v& V" _pull from buf1 with labor1 using path
else
, t: k3 K# J. T7 m3 D9 Gwait
endif