How To Fix CNV_DMC_SIN261 - Storage Location Data: &1 / &2 already exists

CNV_DMC_SIN261 - Overview

• Message type: E = Error

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

• Message number: 261

• Message text: Storage Location Data: &1 / &2 already exists

What causes this issue?

With object 'Material - extend existing record by new org levels' you
can only extend new storage location data. 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.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_DMC_SIN261 - Details

• The SAP error message CNV_DMC_SIN261 indicates that there is an attempt to create or import storage location data that already exists in the system. This error typically arises during data migration or data transfer processes, particularly when using the SAP Data Migration Cockpit or similar tools.
  
  Cause:
  The error occurs when:
  
  You are trying to create a storage location with a key (e.g., storage location code) that already exists in the target system.
  There may be duplicate entries in the data being imported or migrated.
  The data migration process is not correctly handling existing records, leading to conflicts.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Data:
  
  Verify if the storage location with the specified key already exists in the target system. You can do this by navigating to the relevant transaction (e.g., MM03 for material master data) and checking the storage location.
  
  
  
  Remove Duplicates:
  
  If you are importing data from a file or another source,