How To Fix RSM_RULE021 - BAdI implementation does not exist. Check registered rule with ID &1.

RSM_RULE021 - Overview

• Message type: E = Error

• Message class: RSM_RULE -

• Message number: 021

• Message text: BAdI implementation does not exist. Check registered rule with ID &1.

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 RSM_RULE021 - BAdI implementation does not exist. Check registered rule with ID &1. ?

  The SAP error message RSM_RULE021 indicates that a Business Add-In (BAdI) implementation is missing for a specific rule identified by the ID provided in the error message. This typically occurs in the context of SAP's data migration or data quality processes, particularly when using the Data Migration Cockpit or similar tools.
  
  Cause:
  
  Missing BAdI Implementation: The specific BAdI implementation that is supposed to handle the rule with the given ID is not defined in the system.
  Incorrect Configuration: The system may be configured to use a BAdI that has not been activated or implemented.
  Transport Issues: If the BAdI implementation was recently transported from another system, it may not have been properly imported or activated in the target system.
  Custom Development: If the BAdI is a custom development, it may not have been created or activated.
  
  
  Solution:
  
  
  Check BAdI Implementation:
  
  Go to transaction SE18 (BAdI Definition) and enter the BAdI name associated with the rule.
  Check if there are