How To Fix CNV_DMC_SIN519 - Alternative Unit of Measure: &1 already exists

CNV_DMC_SIN519 - Overview

• Message type: E = Error

• Message class: CNV_DMC_SIN - Messages for s-innovations migration

• Message number: 519

• Message text: Alternative Unit of Measure: &1 already exists

What causes this issue?

With object 'Product - extend existing record by new org levels' you can
only extend new alternative unit of measures. You can't change already
existing entries.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Delete these records from the template/staging table.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_DMC_SIN519 - Details

• The SAP error message CNV_DMC_SIN519 indicates that there is an issue with the alternative unit of measure (UoM) for a material or product in the system. Specifically, the error states that the alternative unit of measure you are trying to create or assign already exists in the system.
  
  Cause:
  
  Duplicate Entry: The primary cause of this error is that the alternative unit of measure you are trying to add is already defined for the material or product in question.
  Data Migration Issues: This error can also occur during data migration processes, where the same alternative unit of measure is being imported multiple times.
  Configuration Errors: There may be configuration issues in the material master data setup that lead to conflicts in unit of measure definitions.
  
  
  Solution:
  
  
  Check Existing UoM: 
  
  Go to the material master data (transaction code MM03) and check the alternative units of measure for the specific material. Ensure that the UoM you are trying