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 n5 ?6 ?' m; y% W( R3 M4 d
( ~$ K' n5 E1 Cconveyor元素的input rule：
% }1 L+ t/ U2 ?5 `if nparts(coneyor001)<5
pull from buf1 with labor1 using path
else
wait
endif