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？
1 Z. ^3 f3 T; m2 l# T$ C2 n: w
6 B" _+ t: T- G2 ^% ^conveyor元素的input rule：
( ~- ], _  F9 p% m+ bif nparts(coneyor001)<5
pull from buf1 with labor1 using path
else
5 v9 a! i! L  G8 Fwait
" O, M* {! V4 V. w* ?endif