How To Fix CNV_DMC_SIN525 - Warehouse Number: &1 already exists

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 525

• Message text: Warehouse Number: &1 already exists

What causes this issue?

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

System Response

Within this Migration Object you can only extend new Warehouse Number
Data. You can't change already existing entries.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_SIN525 - Warehouse Number: &1 already exists ?

  The SAP error message CNV_DMC_SIN525 indicates that there is an attempt to create or define a warehouse number that already exists in the system. This error typically arises during data migration or system conversion processes, particularly when using the SAP Data Migration Cockpit or similar tools.
  Cause:
  The primary cause of this error is that the warehouse number you are trying to create or import is already present in the SAP system. This can happen due to:
  
  Duplicate entries in the data being imported.
  Previous migration attempts that may have created the warehouse number.
  Incorrect configuration or mapping in the migration tool.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Warehouse Numbers:
  
  Use transaction code LX02 or LS03N to check the existing warehouse numbers in the system. Verify if the warehouse number you are trying to create already exists.
  
  
  
  Modify the Data:
  
  If the warehouse number already exists and you do not need to create it again, modify your data import file to exclude the existing warehouse number or update it if necessary.
  
  
  
  Adjust Migration Settings:
  
  If you are using a migration tool, check the settings or mapping configurations to ensure that it does not attempt to create existing entries.
  
  
  
  Delete or Archive Existing Data:
  
  If the existing warehouse number is not needed, you may consider deleting or archiving it, but be cautious as this may affect other processes or data integrity.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to the migration process you are using. There may be specific guidelines or best practices for handling existing data.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration or migration scenario.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LX02 (Warehouse Management) and LS03N (Display Warehouse).
  Data Migration Cockpit: Understand the functionalities and limitations of the SAP Data Migration Cockpit, especially regarding data validation and error handling.
  SAP Notes: Check for any SAP Notes related to the error message CNV_DMC_SIN525 for additional context or patches that may address the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.