Stotage.Slot.Item error

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ejust asked Dec 10 2023 at 8:54 PM ejust commented Dec 19 2023 at 8:24 AM

Stotage.Slot.Item error

Hi,
I can't handle this FlexScript exception in the attached model:
Thanks in advance.

Current Layout_3.fsm

Software Version:

FlexSim 22.2.0

process flow storage system slot flexscript exception

1702241504600.png (11.0 KiB)

· 7

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Answer 1 · 2023-12-11T18:31:08Z

Felix Möhlmann answered Dec 11 2023 at 6:31 PM ejust commented Dec 19 2023 at 8:24 AM

You have trailing whitespace in your entry for product type 10 in the "SKU" table. So any token that is querying for "Product type 10 " is not finding any slot items and the resulting label contains a NULL value which leads to errors in the subsequent activities.

In general you should make sure that a slot item was actually found before letting the token continue to activities that access this value.

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ejust commented · Dec 11 2023 at 7:19 PM

Thanks, @Felix, for your feedback. It would be a great help for me if you elaborate on how you debugged it though.

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Felix Möhlmann ejust commented · Dec 11 2023 at 7:35 PM

I put a stop time shortly before the first error appears in the model and checked the token labels. The storageItem label said "no path" despite there being items of type 10 in the storage (and a manual query in the script console confirmed that the token should have found an item). So something had to be off with the query in the Process Flow and most often this comes down to a simple typo (lower case vs. upper case or like in this case, whitespace that is not visible on first glance).

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ejust Felix Möhlmann commented · Dec 11 2023 at 7:38 PM

Excellent! I appreciate you sharing this @Felix Möhlmann

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