How To Fix >3420 - New dunning level cannot be set since dunning was reversed

SAP Error Message - Details

• Message type: E = Error

• Message class: >3 - Lock management messages

• Message number: 420

• Message text: New dunning level cannot be set since dunning was reversed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message >3420 - New dunning level cannot be set since dunning was reversed ?

  The SAP error message 3420 indicates that a new dunning level cannot be set because the dunning process has been reversed. This typically occurs in the context of accounts receivable when a dunning run has been executed, and then a reversal of that dunning run is performed. 
  Cause:
  
  Dunning Reversal: The primary cause of this error is that the dunning process for the customer account has been reversed. When a dunning run is reversed, it essentially cancels the previous dunning notices that were sent out.
  Dunning Level Management: The system does not allow for a new dunning level to be set until the previous dunning process is fully resolved. This is to maintain the integrity of the dunning process and ensure that the correct levels are applied based on the current status of the account.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Dunning Status: Verify the current dunning status of the customer account. You can do this by checking the dunning history in the customer master data or through the dunning report.
  
  
  Reprocess Dunning: If the dunning run was reversed and you need to set a new dunning level, you may need to reprocess the dunning run. This can be done by executing the dunning program again for the relevant period.
  
  
  Review Dunning Configuration: Ensure that the dunning configuration settings are correct. Sometimes, issues in configuration can lead to unexpected behavior in the dunning process.
  
  
  Consult Documentation: Refer to SAP documentation or help files for specific instructions on handling dunning processes and reversals.
  
  
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your system configuration.
  
  
  Related Information:
  
  Dunning Process: Understand the dunning process in SAP, which involves sending reminders to customers for overdue payments. Each dunning level corresponds to a specific reminder or notice.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  F150: Dunning Run
  F153: Display Dunning History
  FD10N: Display Customer Balance
  
  
  SAP Notes: Check for any SAP Notes related to dunning processes that may provide additional insights or fixes for known issues.
  
  By following these steps, you should be able to address the error message and continue with the dunning process as needed.