How To Fix CBRC_REGCHECK016 - An entry with the same key already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CBRC_REGCHECK - Messages for Substance-Related Regulation Check

• Message number: 016

• Message text: An entry with the same key 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

Inserting is not possible.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CBRC_REGCHECK016 - An entry with the same key already exists ?

  The SAP error message CBRC_REGCHECK016 indicates that there is an attempt to create or register an entry in the system that already exists, leading to a conflict due to duplicate keys. This error typically occurs in the context of configuration or master data management, where unique identifiers (keys) are required for each entry.
  Cause:
  
  Duplicate Entries: The most common cause is that there is already an existing entry in the database with the same key (e.g., a unique identifier for a business partner, material, or other master data).
  Data Migration Issues: If data is being migrated from another system or imported in bulk, it may lead to duplicates if the uniqueness constraints are not properly managed.
  Concurrent Processing: Multiple users or processes may be trying to create the same entry simultaneously, leading to a race condition.
  Incorrect Configuration: Misconfiguration in the system settings or data model can also lead to this error.
  
  Solution:
  
  Check Existing Entries: Before creating a new entry, check the database or relevant tables to see if an entry with the same key already exists. You can use transaction codes like SE16 or SE11 to view the relevant tables.
  Modify the Key: If you need to create a new entry, ensure that the key is unique. This may involve changing the identifier or using a different set of attributes to create a unique combination.
  Data Cleanup: If duplicates are found, you may need to clean up the existing data. This could involve deleting or merging duplicate entries, depending on your business requirements.
  Review Data Migration Processes: If this error arises during data migration, review the migration scripts or processes to ensure they handle duplicates correctly.
  Locking Mechanisms: Implement locking mechanisms or checks in your application logic to prevent concurrent processes from attempting to create the same entry at the same time.
  Consult Documentation: Review SAP documentation or notes related to the specific module you are working with, as there may be specific guidelines or patches available.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE16 (Data Browser), SE11 (Data Dictionary), and SE78 (SAP ArchiveLink) to investigate the data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error code in the SAP Support Portal.
  User Authorization: Ensure that the user has the necessary authorizations to create or modify entries in the relevant tables.
  System Logs: Review system logs (transaction SLG1) for additional context or related error messages that may provide more insight into the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.