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EK asked Jason Lightfoot commented

Processor to pack unto a pallet by SKU & preset quantity

Hi there, I am trying to use 3D objects to simulate the below scenario and I am stuck on 4.
1. Goods arrived and are unloaded by container to first available queue (inbound docks)
2. Goods are channeled into a processor and a conveyer (fixed resource limit)
3. A single queue (staging) with multiple SKUs flowing into combiner
4. Combiner packs only one SKU per pallet and with a preset max quantity. The overflow of the item will be packed on a separate pallet

I have tried to use the update combiner component list but an error is shown "time: 0.000000 exception: FlexScript exception: Property "value" accessed on invalid node. at MODEL:/Combiner1>variables/entrytrigger"


Multiple SKU in upstream queue_pack on a single pallet by quantity per SKU.fsm

FlexSim 23.1.0
combiner by sku
multiple-sku-in-upstream-queue-pack-on-a-single-pa.fsm (208.7 KiB)
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Jason Lightfoot avatar image Jason Lightfoot ♦♦ commented ·

Hi @EK, was José Antonio MD's answer helpful? If so, please click the "Accept" button at the bottom of their answer. Or if you still have questions, add a comment and we'll continue the conversation.

If we haven't heard back from you within 3 business days we'll auto-accept an answer, but you can always comment back to reopen your question.

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José Antonio MD avatar image
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José Antonio MD answered

Hello @EK ,

In your model, this error occurs because you have an OnEntry code in the combiner. This code is triggered by the arrival of a pallet (port 1) and looks for the SKU label. This label does not exist in the pallet.

You also have another error because you have 7 outputs in the "Staging" queue and 6 rows in the table.

I hope I have been helpful.

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