Exception Caught in ObjectFunction250

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Rafael Turchenski asked Oct 25, '24 Felipe Capalbo edited Oct 30, '24

Exception Caught in ObjectFunction250

Hello, I am trying to unload the boxes that are in the agv to a processor using processflow. I tried with queues and the exception is the same. The idea is that in my Unload activity, I unload a box to the line and I loop it until there is nothing else to load. I check this end condition with token.agv.subnodes[1].subnodes.length.

Always in the second time that I am going to unload, this exception emerges, in the unload activity. I made some breakpoints and simplified the code but it still occurrs.

Maybe it is relevant that I created a pallet and 4 boxes in it but I do not use their token references to try to unload. I always use the token.agv.subnodes...

I have attached the model. AGV Simulation.fsm

Software Version:

FlexSim 22.2.0

exception error

flexsim-nvl0bsugon.png (191.3 KiB)

agv-simulation.fsm (736.0 KiB)

· 1

5 |100000

Attachments: Up to 12 attachments (including images) can be used with a maximum of 23.8 MiB each and 47.7 MiB total.

Jeanette F ♦♦ commented · Oct 25 at 02:14 PM

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Answer 1 · 2024-10-30T16:39:00Z

Felipe Capalbo answered Oct 30, '24 Felipe Capalbo edited Oct 30, '24

Hello, Rafael.
For the unload activity, I switched to using "token.item" (instead of just "item" as before) as the reference to execute the unload.

This adjustment works well for the unloading process itself, but you may need to refine the surrounding flow. You could add a Wait for Event activity for the token to wait the next unload event.

tokenitem.png (25.2 KiB)

5 |100000

Attachments: Up to 12 attachments (including images) can be used with a maximum of 23.8 MiB each and 47.7 MiB total.

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