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

SAP Error Message - Details

• 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

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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 any active implementations. If not, you may need to create one.
  
  
  
  Create/Activate BAdI Implementation:
  
  If the BAdI implementation does not exist, you can create a new implementation using transaction SE19 (BAdI Implementation).
  Ensure that the implementation is active.
  
  
  
  Review Configuration:
  
  Check the configuration settings related to the data migration or the specific process you are working on to ensure that the correct BAdI is being referenced.
  
  
  
  Transport Check:
  
  If the BAdI was supposed to be transported from another system, verify that the transport request was successfully imported and that all necessary objects are included.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific BAdI and rule ID for any additional guidance or prerequisites.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a standard BAdI that should be available in your version of SAP.
  
  
  
  Related Information:
  
  BAdI (Business Add-In): A way to enhance SAP applications without modifying the original code. It allows developers to add custom functionality.
  Transaction Codes:
  
  SE18: To view BAdI definitions.
  SE19: To create or manage BAdI implementations.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional context for the error message.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.