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https://issues.apache.org/jira/browse/OFBIZ-13243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17983450#comment-17983450
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Jacopo Cappellato commented on OFBIZ-13243:
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I have tested the issue reported in this ticket and I can confirm it.
To reproduce the issue:
# create a production run for 1 unit of the demo product PROD_MANUF
# start the production run
# issue all materials
# return, e.g., one unit of MAT_B_COST
# complete the task and the production run, by declaring the finished product
# visit the "Actual Materials" and the "Actual costs" tabs.
The following screenshots illustrate the result of the above steps.
!image-2025-06-19-08-42-09-610.png|width=325,height=281!
!image-2025-06-19-08-42-46-955.png|width=408,height=114!!image-2025-06-19-08-43-10-543.png|width=706,height=102!
> Fix Production Run cost calculation logic to exclude returned items from
> material cost calculations
> ---------------------------------------------------------------------------------------------------
>
> Key: OFBIZ-13243
> URL: https://issues.apache.org/jira/browse/OFBIZ-13243
> Project: OFBiz
> Issue Type: Bug
> Components: manufacturing
> Affects Versions: Upcoming Branch
> Reporter: Yashwant Dhakad
> Priority: Minor
> Attachments: image-2025-06-19-08-42-09-610.png,
> image-2025-06-19-08-42-46-955.png, image-2025-06-19-08-43-10-543.png
>
>
> In the Manufacturing module, while executing the production run, during final
> material consolidation and cost calculation, the leftover/unused inventory
> items that are returned, are reflected with negative quantities and are
> incorrectly included in the final used material list, resulting in inflated
> material costs and discrepancies in financial reports, causing the reported
> production costs to be inaccurate.
> The issue occurs specifically in the cost calculation logic used in the
> Production Run's "Actual Costs" section and affects related cost reports and
> screens within the manufacturing module. Because of this, the financial data
> does not correctly reflect the actual consumption of materials, leading to
> potential errors in operational and strategic decision-making.
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