How To Fix REM_MESSAGES021 - Error occured in the implementation of output mapping of the BAdi

SAP Error Message - Details

• Message type: E = Error

• Message class: REM_MESSAGES -

• Message number: 021

• Message text: Error occured in the implementation of output mapping of the BAdi

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message REM_MESSAGES021 - Error occured in the implementation of output mapping of the BAdi ?

  The SAP error message REM_MESSAGES021 indicates that there was an issue during the implementation of output mapping in a Business Add-In (BAdI). This error typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or other modules that utilize BAdIs for enhancing standard functionality.
  Cause
  The error can be caused by several factors, including:
  
  Incorrect Implementation: The BAdI implementation may have errors in the code, such as syntax errors, logical errors, or missing required fields.
  Data Issues: The data being processed may not meet the expected format or may be incomplete, leading to failures in the mapping logic.
  Configuration Issues: There may be configuration settings that are not properly set up, which can affect how the BAdI is executed.
  Version Mismatch: If there are multiple versions of the BAdI or if the system has been upgraded, there may be compatibility issues.
  Authorization Issues: The user executing the BAdI may not have the necessary authorizations to perform the actions defined in the BAdI implementation.
  
  Solution
  To resolve the error, you can follow these steps:
  
  
  Check the BAdI Implementation:
  
  Go to transaction SE19 (BAdI Implementation) and check the implementation for any syntax or logical errors.
  Ensure that all required fields are being populated correctly.
  
  
  
  Debugging:
  
  Use the debugger to step through the BAdI implementation to identify where the error occurs.
  Check the input parameters and the data being processed to ensure they are valid.
  
  
  
  Review Configuration:
  
  Verify that all necessary configuration settings related to the BAdI are correctly set up.
  Check if there are any dependencies or prerequisites that need to be fulfilled.
  
  
  
  Check for Data Issues:
  
  Validate the data being processed to ensure it meets the expected criteria.
  Look for any missing or incorrect data that could be causing the mapping to fail.
  
  
  
  Authorization Check:
  
  Ensure that the user executing the BAdI has the necessary authorizations to perform the actions defined in the implementation.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes that may address known issues with the specific BAdI or error message.
  Apply any recommended patches or updates.
  
  
  
  Testing:
  
  After making changes, thoroughly test the BAdI implementation to ensure that the error is resolved and that the desired functionality is achieved.
  
  
  
  Related Information
  
  BAdI Documentation: Review the official SAP documentation for the specific BAdI you are working with to understand its purpose and expected behavior.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  Transaction Codes:
  
  SE18: To view the definition of the BAdI.
  SE19: To manage BAdI implementations.
  SE80: To access the Object Navigator for further analysis.
  
  
  
  By following these steps, you should be able to identify and resolve the cause of the REM_MESSAGES021 error in your SAP system.