How To Fix HRESS021 - Source and destination for replacement of UIBB config &1 are the same

SAP Error Message - Details

• Message type: E = Error

• Message class: HRESS - HRESS

• Message number: 021

• Message text: Source and destination for replacement of UIBB config &1 are the same

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message HRESS021 - Source and destination for replacement of UIBB config &1 are the same ?

  The SAP error message HRESS021 indicates that there is an issue with the configuration of a User Interface Building Block (UIBB) in the SAP system. Specifically, the message states that the source and destination for the replacement of the UIBB configuration are the same, which means that the system is trying to replace a configuration with itself, leading to a logical error.
  Cause:
  
  Incorrect Configuration: The source and destination UIBB configurations may have been incorrectly set to the same value, which is not allowed.
  Copying Issues: When copying configurations, the source and destination might not have been properly differentiated.
  System Bug: In some cases, this could be due to a bug in the SAP system or a specific enhancement that has not been properly implemented.
  
  Solution:
  
  
  Check Configuration: 
  
  Go to the configuration settings for the UIBB in question.
  Ensure that the source and destination are set to different configurations. You can do this by navigating to the relevant configuration transaction (e.g., UIBB Configuration).
  
  
  
  Modify the Replacement Logic:
  
  If you are using a custom implementation or enhancement, review the logic that determines the source and destination for the UIBB. Make sure that they are not inadvertently set to the same value.
  
  
  
  Recreate the Configuration:
  
  If the configuration seems corrupted, consider deleting the existing configuration and recreating it from scratch.
  
  
  
  Check for Notes and Patches:
  
  Look for any SAP Notes or patches related to this error message. Sometimes, SAP releases updates that address specific issues.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation for the specific UIBB you are working with to ensure that you are following the correct procedures for configuration.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with details about the error and the steps you have taken to troubleshoot.
  
  
  
  Related Information:
  
  UIBB (User Interface Building Block): UIBBs are components used in SAP Fiori and UI5 applications to create user interfaces. They can be configured to display various types of data and functionality.
  SAP Notes: Regularly check the SAP Support Portal for notes related to UI5 and Fiori configurations, as they may contain important information about known issues and fixes.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator) or UIBB Configuration transactions to manage UIBB settings.
  
  By following these steps, you should be able to resolve the HRESS021 error and ensure that your UIBB configurations are set up correctly.