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？
$ W& }  @" d9 a2 D' |# P8 |  q" _, H- S( o
1 h( m' c( e. g/ \6 L5 t1 j3 D; bconveyor元素的input rule：
if nparts(coneyor001)<5
' F6 }! e3 w! ]$ ~7 [* {pull from buf1 with labor1 using path
else
& J5 K! X$ r, iwait
1 A+ q9 f3 i: ?/ K2 Rendif