How To Fix LTR2_KB_GUI164 - Selected Field Structure is already a Proxy

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_KB_GUI - Message used in LTR2_KB_GUI

• Message number: 164

• Message text: Selected Field Structure is already a Proxy

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 LTR2_KB_GUI164 - Selected Field Structure is already a Proxy ?

  The SAP error message LTR2_KB_GUI164 indicating that the "Selected Field Structure is already a Proxy" typically occurs in the context of SAP's data modeling or data transformation processes, particularly when working with the SAP BW (Business Warehouse) or SAP HANA environments. This error suggests that the field structure you are trying to work with is already defined as a proxy, which means it is already being used in a way that does not allow for further modifications or duplications.
  Cause:
  
  Duplicate Proxy Definition: The field structure you are trying to create or modify is already defined as a proxy in the system.
  Incorrect Configuration: There may be a misconfiguration in the data model or transformation that leads to this error.
  System State: The system might be in a state where it does not allow changes to the existing proxy structure.
  
  Solution:
  
  
  Check Existing Proxies: Review the existing field structures and proxies in your SAP system to confirm if the field structure is already defined as a proxy. You can do this by navigating to the relevant data model or transformation settings.
  
  
  Modify Existing Proxy: If the field structure is already a proxy, consider modifying the existing proxy instead of trying to create a new one. This may involve adjusting the properties or settings of the existing proxy to meet your requirements.
  
  
  Delete or Deactivate: If the existing proxy is not needed, you may consider deleting or deactivating it, but ensure that this does not affect other processes or data models that rely on it.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling proxies in your version of SAP BW or HANA.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP team for assistance. They may provide insights specific to your system configuration.
  
  
  Related Information:
  
  SAP BW Documentation: Look for specific documentation related to data modeling and proxy definitions in SAP BW.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide solutions or workarounds.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like RSA1 for Data Warehousing Workbench) that can help you navigate and manage your data models and proxies.
  
  By following these steps, you should be able to address the error and continue with your data modeling or transformation tasks in SAP.