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

>3420 - Overview

• 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

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

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