How To Fix LRM391 - Customer-specific setting &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: LRM - Customizing

• Message number: 391

• Message text: Customer-specific setting &1 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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LRM391 - Customer-specific setting &1 already exists ?

  The SAP error message LRM391, which states "Customer-specific setting &1 already exists," typically occurs when you are trying to create or modify a customer-specific setting in the SAP system, but a setting with the same identifier already exists. This can happen in various contexts, such as customizing settings, configuration tables, or user-specific settings.
  Cause:
  
  Duplicate Entry: The most common cause is that there is already an entry in the system with the same key or identifier that you are trying to create.
  Incorrect Configuration: You might be trying to configure a setting that is not allowed to have multiple entries.
  Transport Issues: If you are working in a development environment and have transported changes to a different environment, there might be conflicts with existing settings.
  
  Solution:
  
  
  Check Existing Settings: 
  
  Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check the relevant table for existing entries. Look for the specific identifier mentioned in the error message.
  If you find an existing entry that you do not need, you can delete or modify it as appropriate.
  
  
  
  Modify Instead of Create: 
  
  If the setting already exists and you need to change it, use the appropriate transaction to modify the existing entry instead of trying to create a new one.
  
  
  
  Use a Different Identifier: 
  
  If you need to create a new setting, consider using a different identifier that does not conflict with existing entries.
  
  
  
  Consult Documentation: 
  
  Review the relevant SAP documentation or configuration guides to ensure that you are following the correct procedures for creating or modifying customer-specific settings.
  
  
  
  Check Transport Requests: 
  
  If you suspect that the issue is related to transport requests, check the transport logs and ensure that there are no conflicts or issues with the transported objects.
  
  
  
  Contact SAP Support: 
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a critical configuration.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE16, and SPRO (for configuration).
  SAP Notes: Search for SAP Notes related to LRM391 for any specific patches or updates that may address this issue.
  Documentation: Review the SAP Help Portal for detailed information on the specific module or area where the error is occurring.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.