How To Fix /LTB/TR_UI021 - Parameter &1 does already exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /LTB/TR_UI -

• Message number: 021

• Message text: Parameter &1 does already exist

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 /LTB/TR_UI021 - Parameter &1 does already exist ?

  The SAP error message /LTB/TR_UI021 Parameter &1 does already exist typically occurs in the context of the SAP Transportation Management (TM) or related applications when there is an attempt to create or modify a parameter that already exists in the system. This can happen during configuration or when trying to set up certain parameters in the system.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the parameter you are trying to create or modify already exists in the system. This could be due to a previous configuration or an attempt to set the same parameter multiple times.
  Incorrect Configuration: Sometimes, the error can arise from incorrect configuration settings or attempts to overwrite existing parameters without proper checks.
  Data Migration Issues: If data has been migrated from another system or during an upgrade, there may be conflicts with existing parameters.
  
  Solution:
  
  Check Existing Parameters: Before creating a new parameter, check the existing parameters in the system to see if the one you are trying to create already exists. You can do this by navigating to the relevant configuration area in SAP TM.
  Modify Instead of Create: If the parameter already exists, consider modifying the existing parameter instead of trying to create a new one. This can often resolve the issue without needing to delete or recreate anything.
  Delete Duplicate Entries: If you find that there are indeed duplicate entries and they are not needed, you can delete the unnecessary ones. However, be cautious and ensure that you are not removing something that is still in use.
  Consult Documentation: Review the SAP documentation or help resources related to the specific module you are working with. There may be specific guidelines or best practices for managing parameters.
  Contact SAP Support: If you are unable to resolve the issue on your own, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific system configuration.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that can help you manage parameters, such as SPRO for configuration settings.
  SAP Notes: Check for any SAP Notes related to this error message. SAP frequently releases notes that address known issues and provide solutions or workarounds.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can share their solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.