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？

: d4 X" Z! K/ k+ ~' ^: o: Gconveyor元素的input rule：
: ^5 g: r% d4 M$ vif nparts(coneyor001)<5
* J9 x: C4 `- y$ h  Npull from buf1 with labor1 using path
; C( u1 s; B0 x9 L: T' Yelse
& m- S* `$ ^4 H9 xwait
endif