Problems finding slots in different zone IDs

Question

question

Guldberg asked Nov 01 2023 at 2:27 PM Jason Lightfoot commented Nov 08 2023 at 8:32 PM

Problems finding slots in different zone IDs

For the love of god I cannot figure out why Find Slot doesnt work properly in my model.

I have a bunch of racks, some with zoneID HBL and one with zoneID PBL. If i query using WHERE slot.zoneID == "HBW" I get a slot if i query with WHERE slot.zoneID == "PWL" or WHERE slot.zoneID != "HBW" I get nothing.

Attach is a model where anything else but the racks have been removed, just to illustrate the issue.

UC_findsloterror.fsm

Software Version:

FlexSim 23.2.1

findslot

uc-findsloterror.fsm (9.9 MiB)

· 3

Joerg Vogel commented · Nov 01 2023 at 3:02 PM

@Guldberg, I printed all zoneID of slots in a querySlot by "SELECT slot.zoneID" as an Array to an ouptut console. There wasn't any "PWL" zoneID.

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Guldberg commented · Nov 01 2023 at 3:21 PM

Sry, my bad. Typo when creating the PWL rack. Doesnt fix the error though.

uc-findsloterrorv2.fsm

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uc-findsloterrorv2.fsm (6.7 MiB)

Jason Lightfoot ♦♦ commented · Nov 08 2023 at 8:32 PM

Hi @Guldberg, was one of the answers helpful? If so, please click the "Accept" button at the bottom of the one that best answers your question. 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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Answer 1 · 2023-11-02T05:55:55Z

Guldberg answered Nov 02 2023 at 5:55 AM

Just to sum up if anybody experience the same problem. The culbrite was a failty rack node. After deleting and replacing the element it worked fine.

Answer 2 · 2023-11-01T18:40:22Z

Guldberg answered Nov 01 2023 at 6:40 PM Guldberg edited Nov 01 2023 at 6:43 PM

Cant tell why, but if delete aisle 15 it works. 16+17 + pwl. Odd. Oh well, must have been a corrupt node somehow.

Answer 3 · 2023-11-01T18:27:05Z

Guldberg answered Nov 01 2023 at 6:27 PM

That explains why I never got any flow to these aisles. Just didnt bother looking into that issue yet. Odd. I can see that they are part of the storage system in the model tree

1698863214870.png (28.8 KiB)

Answer 4 · 2023-11-01T16:16:25Z

Jason Lightfoot answered Nov 01 2023 at 4:16 PM Jason Lightfoot commented Nov 01 2023 at 8:24 PM

The error relates to reserving the slot for an item to which token.item is trying to refer - but it does not exist. You can delete the content of this field if you don't have an item for slot reservation.

· 5

Guldberg commented · Nov 01 2023 at 4:23 PM

Could you elaborate? Even if I create and item I get the same error.

This is is just a dummy example I created.

I tried to do the same in a new model where it worked just fine.

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1698855680210.png (19.4 KiB)

1698855757309.png (43.2 KiB)

Guldberg commented · Nov 01 2023 at 5:24 PM

Its like it doesnt want to accept anything else but HBW

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1698859435140.png (162.2 KiB)

Jason Lightfoot ♦♦ Guldberg commented · Nov 01 2023 at 6:03 PM

Yes - I can see that - something's not right. This should list all the ZoneIDs but it does not:

Storage.system.querySlots("SELECT slot.zoneID GROUP BY slot.zoneID",0)

The same is true for aisles, where aisle 16 and 17 are not listed:

Storage.system.querySlots("SELECT slot.aisleID GROUP BY slot.aisleID",0)

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Joerg Vogel Jason Lightfoot ♦♦ commented · Nov 01 2023 at 7:49 PM

@Jason Lightfoot , there are more than 34.000 slots. Does there exist a limit of slots in a warehouse or by undertaken a query? I mean, querySlots returns an array, And it is not a table anymore like it would be as a normal table or list query.

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