Cost value must be negative upon issue from inventory.

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No customization and no changes in Setup has been done in the production module but from last 3 days this error Cost value must be negative upon issue from inventory started to come suddenly.
While ending Production order of status Report as finished this error is come as shown in screenshot 3240.error.jpg

Same error is also coming while posting invoice of sales order.
I am getting no idea what is the source of this error, i have checked Picking list journal lines and other thing also but not able see anything related to error.
Please me help into this to find error cause and how i can solve it.

Thanks in Advance.

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André Arnaud de Cal... 303,976 Super User 2026 Season 1 on at

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Hi Shivendra,

Is this error related to all product or just one or some? Can you check the on-hand form if there might be an issue with the financial cost price? Please check the posted and financial value.

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Hello Andre,

Thanks for your response.

I don't know exactly because in some production order related to same product is ended without any error and in some production order this error "Cost value must be negative upon issue from inventory" comes. This thing is happening in some products.

Financial cost value is coming for these products, what need to check into this please let me know.

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Hi Shivendra,

I have some questions about this:

1) Do your items allow financial negative inventory on its item model group?

2) Which is the cost model of the items with this problem? Standard cost or another one?

I have checked for that error message and it is thrown while AX tryes to update financial inventory.

Here you can see the line where the error is sent:

For any reason the Financial Cost is getting set to a positive value, while it should be negative because it's an inventory issue.

On previous lines I could find where its value is set:

I can't help further than this because I don't have technical knowledge, but if I didn't understand wrong the above code I would check:

1) Which is your physical value for the transactions you are trying to register? In the production order I would also check raw material lines, because the error is related to an inventory issue.

2) Have you register a negative consumption on your picking list?

3) Your indirect costs configurations.

If it's possible you can ask a developer to help you doing some debug so he will be able to tell you the value the financial cost takes at each step.

Hope it helps.

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Hello Nicks,

First of all many thanks for your reply. Let me know the source and cause of error.

Below i mentioned the answer for your questions.

1. No we don't allow negative financial negative inventory on item model group.

2. By cost model you mean to say cost group of item? If it is cost group then yes we are using standard cost.

As according to the thing which you said to check i had gone through them i checked also the transaction of raw material lines and also the physical value but didn't find any problem or issue.
Yes there are some negative consumption for some production order but they are created after the reset of production order, hope so they are not creating error.
For Indirect cost configuration, sorry i didn't understand what need to check for that. Can you please tell a bit more about that.
As this error is not coming on particular type of production order or item so i am getting trouble to find the cause of problem.

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André Arnaud de Cal... 303,976 Super User 2026 Season 1 on at

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Hi Shivendra,

The cause is most likely the method provided by Nick. If you have a developer around, he might be able to set a breakpoint and do some debugging to find out what is going wrong.

Have you already checked the financial details on the on-hand form?

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Hello Andre,

Financial details for the item i checked but didn't understand what should i can look for because production order is not ended yet it is in report as finished status then no financial transaction is their for them. For previous production and sales order financial transaction is coming correctly.

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André Arnaud de Cal... 303,976 Super User 2026 Season 1 on at

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If you look at the on-hand form you can see if there is in total a negative inventory with positive value or vice-versa.

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Please check the screenshot of on-hand form for one finished good item.

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Can anyone please help me into this why physical cost amount value is coming zero means in which condition this cost amount can come -ve ?

because i checked the item on which this physical cost amount is coming -ve this error "Cost value must be negative upon issue from inventory." is thrown by system.

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Fredrik Sætre 12,644 on at

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How often do you do inventory closing? I would believe that if you made sure you inventory cost was not negative the you might be able to post it.

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