How To Fix FINS_RECON_2155 - Mismatch of field KUNNR in source/target ledger: &1 messages

SAP Error Message - Details

• Message type: E = Error

• Message class: FINS_RECON_2 - SAP S/4HANA Finance Migration: Reconciliation

• Message number: 155

• Message text: Mismatch of field KUNNR in source/target ledger: &1 messages

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FINS_RECON_2155 - Mismatch of field KUNNR in source/target ledger: &1 messages ?

  The SAP error message FINS_RECON_2155 indicates a mismatch of the customer number (KUNNR) between the source and target ledgers during a reconciliation process. This error typically arises in the context of financial reconciliation, where the system is trying to match data between different ledgers or accounting views.
  Cause:
  
  
  Data Inconsistency: The customer number (KUNNR) in the source ledger does not match the customer number in the target ledger. This could be due to:
  
  Data entry errors.
  Changes in customer master data that have not been reflected in all ledgers.
  Different customer numbers being used in different ledgers for the same entity.
  
  
  
  Configuration Issues: There may be configuration discrepancies between the source and target ledgers, leading to mismatches in how customer data is stored or referenced.
  
  
  Missing Data: The customer number may not exist in one of the ledgers, leading to a failure in reconciliation.
  
  
  Solution:
  
  
  Data Verification:
  
  Check the customer master data in both the source and target ledgers to ensure that the KUNNR values are consistent.
  Use transaction codes like XD03 (Display Customer) to view customer details and confirm that the same customer is referenced in both ledgers.
  
  
  
  Reconcile Data:
  
  If discrepancies are found, update the customer master data to ensure consistency across ledgers.
  If necessary, create missing customer records in the target ledger.
  
  
  
  Configuration Review:
  
  Review the configuration settings for both ledgers to ensure they are aligned. This includes checking the settings in the Financial Accounting (FI) module and any relevant customizing settings.
  
  
  
  Error Logs:
  
  Check the error logs for more detailed information about the specific transactions that are causing the mismatch. This can provide insights into which records are problematic.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or support notes related to the FINS_RECON_2155 error for any specific guidance or patches that may address the issue.
  
  
  
  Testing:
  
  After making corrections, perform a test reconciliation to ensure that the issue has been resolved.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FBL1N (Vendor Line Item Display), FBL3N (G/L Account Line Item Display), and FBL5N (Customer Line Item Display) to analyze the data.
  SAP Notes: Search for SAP Notes related to FINS_RECON_2155 for any known issues or updates that may help resolve the error.
  Support: If the issue persists, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the steps you have taken to resolve it.
  
  By following these steps, you should be able to identify the cause of the FINS_RECON_2155 error and implement a solution to resolve the mismatch in customer numbers between the source and target ledgers.