How To Fix CNV_DMC_SIN545 - Storage Location Data: &1 / &2 already exists

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 545

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

With object 'Product - extend existing record by new org levels' you can
only extend new storage location 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_SIN545 - Storage Location Data: &1 / &2 already exists ?

  The SAP error message CNV_DMC_SIN545 indicates that there is a conflict with storage location data during a data migration or conversion process. Specifically, the message states that the storage location data for a particular combination of parameters (represented by &1 and &2) already exists in the system.
  Cause:
  This error typically occurs in the following scenarios:
  
  Duplicate Entries: The storage location data you are trying to import or convert already exists in the target system. This can happen if the data migration process is being run multiple times or if there are overlapping data sets.
  Data Consistency Issues: There may be inconsistencies in the data being migrated, such as incorrect mappings or configurations that lead to attempts to create duplicate records.
  Configuration Errors: The configuration settings in the source or target system may not align, leading to conflicts during the migration process.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Data: Verify if the storage location data for the specified parameters already exists in the target system. You can do this by querying the relevant tables (e.g., T001L for storage locations) to see if the entries are already present.
  
  
  Adjust Migration Data: If duplicates are found, you may need to adjust your migration data to avoid conflicts. This could involve:
  
  Removing or modifying the duplicate entries in the source data.
  Ensuring that the data being migrated does not include entries that already exist in the target system.
  
  
  
  Use Update Instead of Insert: If the intention is to update existing records rather than create new ones, ensure that your migration process is set up to perform updates instead of inserts.
  
  
  Review Migration Configuration: Check the configuration settings of the migration tool you are using (e.g., SAP Data Migration Cockpit) to ensure that it is set up correctly to handle existing data.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or troubleshooting steps.
  
  
  Log Analysis: Review the logs generated during the migration process for more detailed error messages or warnings that could provide further insights into the issue.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Migration Tools: Familiarize yourself with the specific migration tools and methodologies being used (e.g., SAP S/4HANA Migration Cockpit, SAP Landscape Transformation).
  Data Governance: Implement data governance practices to ensure data quality and consistency before migration processes.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to successfully complete your data migration.