How To Fix ESH_OM_OBJ_MODEL_REP023 - Alias &1 of response field already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 023

• Message text: Alias &1 of response field already exists

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_OM_OBJ_MODEL_REP023 - Alias &1 of response field already exists ?

  The SAP error message ESH_OM_OBJ_MODEL_REP023 indicates that there is a conflict with an alias in the response field of an object model. Specifically, it means that the alias you are trying to create or use already exists in the system.
  Cause:
  
  Duplicate Alias: The most common cause of this error is that the alias you are trying to define for a response field is already in use by another field or object in the system.
  Configuration Issues: There may be issues in the configuration of the object model where aliases are not being managed properly.
  Data Model Changes: If there have been recent changes to the data model or object definitions, it could lead to conflicts with existing aliases.
  
  Solution:
  
  Check Existing Aliases: Review the existing aliases in the object model to identify if the alias you are trying to use is already defined. You can do this by navigating to the relevant configuration area in SAP.
  Rename the Alias: If the alias is already in use, consider renaming the alias you are trying to create to something unique.
  Review Object Model Configuration: Ensure that the object model configuration is correct and that there are no unintended duplicates.
  Clear Cache: Sometimes, clearing the cache can help resolve issues related to stale data. You can do this by using transaction codes like /IWFND/CACHE_CLEANUP or similar, depending on your SAP version.
  Consult Documentation: Refer to SAP documentation or notes related to the specific object model you are working with for any additional guidance or known issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to the object model and alias management, such as SE11 (Data Dictionary) or SE80 (Object Navigator).
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to resolve the error and successfully manage the aliases in your SAP system.