I create a model, there is "setup_times" which is tablefile,and run it ,the result is shown in the following.What happens with it ?
the model is attched,please help me !
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please refer to this model!
the variable/index "former" is "" !
and in the setup_time table there are only 3 indexes p1..p3.
former="" does not exist in the the setup_time table.
you can refer the attached model"lot_change.spp",the setup_times is the same ,why it can run smoothly. Can you revise it on the "wrong model"?
I suppose the method code should look like this ( s.b.)
This is seems to be the difference between both models.
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