How To Fix FKK_CORR_LOG021 - Table not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: FKK_CORR_LOG - Texts of Class CL_FKK_CORR_LOG and Its Exceptions

• Message number: 021

• Message text: Table not unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FKK_CORR_LOG021 - Table not unique ?

  The SAP error message FKK_CORR_LOG021 indicates that there is a problem with the uniqueness of entries in a table related to contract accounts in the SAP Convergent Charging or Contract Accounts Receivable and Payable (FI-CA) module. This error typically arises when the system expects a unique entry in a table, but it finds multiple entries that match the criteria.
  Cause:
  
  Duplicate Entries: The most common cause of this error is the presence of duplicate entries in the relevant database table. This can happen due to incorrect data entry, system errors, or issues during data migration.
  Configuration Issues: Sometimes, the configuration settings in the system may lead to situations where the system expects unique records but finds duplicates.
  Data Consistency Issues: If there are inconsistencies in the data due to previous transactions or updates, it can lead to this error.
  
  Solution:
  
  Identify Duplicates: Use SQL queries or SAP transaction codes (like SE16 or SE11) to check the relevant table for duplicate entries. You can look for entries that have the same key fields.
  Data Cleanup: Once duplicates are identified, you may need to delete or correct the duplicate entries. Ensure that you have a backup of the data before making any changes.
  Check Configuration: Review the configuration settings in the FI-CA module to ensure that they are set up correctly to prevent duplicates.
  Data Migration Review: If this issue arose after a data migration, review the migration process to ensure that it was executed correctly and that no duplicates were introduced.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on how to resolve it.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE16 (Data Browser), SE11 (Data Dictionary), and SE38 (ABAP Program) to analyze the data and identify issues.
  Database Tables: Understand which tables are involved in the error. This may include tables related to contract accounts, billing documents, or payment processing.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new issues have been introduced.
  
  By following these steps, you should be able to diagnose and resolve the FKK_CORR_LOG021 error in your SAP system.