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$ q4 N1 R& }6 g, f4 P
8 j0 }, Z) o  U; gconveyor元素的input rule：
1 k$ C2 ^  K; a5 W9 Bif nparts(coneyor001)<5
& I) a7 d5 d( e" G* P8 ]/ [pull from buf1 with labor1 using path
, B( w9 L+ T# o- T/ selse
6 }- y# t0 T# `wait
endif