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？
8 U+ a. n4 t+ }# n2 Y) A
' G/ O% \6 J! n# c5 Z1 B% qconveyor元素的input rule：
/ ?, C9 J- ?; ?5 i( Eif nparts(coneyor001)<5
pull from buf1 with labor1 using path
6 j& x) L- W" g' Qelse
4 g! v0 G% {) C# P+ y9 `2 ~3 N$ lwait
, _4 g- r$ b, i8 a3 p( s! O$ Zendif