i trying to use one of the model that has been posted in the platform but with different datas. It's giving me an error about the function "last" in the PF. Can somebody tell me why and how to fix it? Modello che funziona supply chain.fsm
In the Assign Labels that throws the exceptions, the Item label should return "Model.find("Available/"+token.UnitID).last". This relies on every token having a value for their token.UnitID. I think you are looking for the name of the column. In that case, when each of those tokens are created you want to get the ColHeader:
The value expression is looking for the last item that was put into the Available/UnitID queue. However, the "Available" plane was inside the "Demand" plane. This means the address for the queues is Demand/Available/UnitID. queue. To fix this I moved the "Available" plane into the model floor.
After doing these things the model is still throwing some exceptions. This is because the model is searching for queue Available/RUO2, but this queue doesn't exist. I added this queue into the model.
Lastly, you had an exception because you had "Cost/unit" as the column rather than "Cost/Unit". I fixed this in the uploaded model.
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