How To Fix FKK_CRM124 - FI-CA Table with Invoice Data: Key Fields Not Unique

SAP Error Message - Details

• Message type: E = Error

• Message class: FKK_CRM - Messages for FI-CA CRM Integration

• Message number: 124

• Message text: FI-CA Table with Invoice Data: Key Fields Not Unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FKK_CRM124 - FI-CA Table with Invoice Data: Key Fields Not Unique ?

  The SAP error message FKK_CRM124 indicates that there is a problem with the uniqueness of key fields in the FI-CA (Financial Accounting - Contract Accounts) table that stores invoice data. This error typically arises when there are duplicate entries for a specific combination of key fields that should be unique, leading to issues in processing invoices.
  Cause:
  The error can be caused by several factors, including:
  
  Data Duplication: There may be duplicate records in the database for the same invoice or contract account, which violates the uniqueness constraint.
  Incorrect Data Entry: Manual data entry errors can lead to the creation of duplicate records.
  Integration Issues: If there are integrations with other systems (like CRM or other financial systems), data synchronization issues can lead to duplicates.
  Custom Development: Custom programs or enhancements that do not properly handle data uniqueness can inadvertently create duplicates.
  
  Solution:
  To resolve the FKK_CRM124 error, you can take the following steps:
  
  
  Identify Duplicates:
  
  Use SQL queries or SAP transaction codes (like SE16 or SE11) to check the relevant FI-CA tables for duplicate entries based on the key fields specified in the error message.
  Common tables to check include FKKINV (Invoice Data) and FKKOP (Open Items).
  
  
  
  Data Cleanup:
  
  Once duplicates are identified, you will need to determine which records are valid and which can be deleted or merged.
  Use transaction codes like SE14 to manage database objects if necessary.
  
  
  
  Adjust Data Entry Processes:
  
  Review and improve data entry processes to prevent future duplicates. This may involve training users or implementing validation checks in the system.
  
  
  
  Check Custom Code:
  
  If there are custom developments, review the code to ensure it correctly handles the uniqueness of records.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on best practices.
  
  
  
  Testing:
  
  After making changes, conduct thorough testing to ensure that the issue is resolved and that no new duplicates are being created.
  
  
  
  Related Information:
  
  Key Fields: The specific key fields causing the issue will be mentioned in the error message. Common key fields in FI-CA include contract account number, invoice number, and company code.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FPL9 (Display Document), FBL5N (Customer Line Item Display), and F-28 (Post Incoming Payments) for further investigation.
  SAP Community: Engage with the SAP Community or forums for additional insights and shared experiences from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the root cause of the FKK_CRM124 error and implement a solution to resolve it.