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Small and medium business | Business Central, N...
Suggested Answer

Item Number Exists Already

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Posted on by 1,029
Good day,
 
I'm trying to add an item number in Item Card, but I'm getting the error message below. How can I fix this? The item number is valid and needs to be created, it's not in the item table.
 
Thanks
 
Here are the error details to help troubleshooting:
Error message: 
The record in table Item Unit of Measure already exists. Identification fields and values: Item No.='BC21010-53J00',Code='EA'
Internal session ID: 
f71f0a06-8bac-4721-a70c-c632a5ad70cf
Application Insights session ID: 
3e79086e-bd0d-477c-829a-ede99ee3dbc1
Client activity id: 
9e3c399b-c96d-4106-9e7b-44b5e574448f
Time stamp on error: 
2026-06-25T20:36:58.1889072Z
User telemetry id: 
f0549fd2-ae7c-4309-b784-522394113fec
 
Regards
Rosemary
 
I have the same question (0)
  • Suggested answer
    Aman Kakkar Profile Picture
    3,586 Super User 2026 Season 1 on at
    Hi,
     
    It means that while Business Central is trying to create the new Item, it is also trying to insert the default Item Unit of Measure (EA) record—but a record with the same Item No. + UOM Code already exists.
     
    Check if there are any customizations that automatically insert the Item Unit of Measure code while creating a new record?

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