How To Fix /UI2/SAP_NWBC001 - Duplicate area names exist: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/SAP_NWBC -

• Message number: 001

• Message text: Duplicate area names exist: &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/SAP_NWBC001 - Duplicate area names exist: &1 ?

  The SAP error message /UI2/SAP_NWBC001 Duplicate area names exist: &1 typically occurs in the context of the SAP NetWeaver Business Client (NWBC) or when working with SAP Fiori applications. This error indicates that there are duplicate area names defined in the configuration, which can lead to confusion in the user interface.
  Cause:
  
  Duplicate Configuration: The error is usually caused by having multiple entries with the same area name in the configuration settings for the NWBC or Fiori Launchpad.
  Custom Developments: If custom applications or tiles have been created, they might inadvertently use the same area name as existing ones.
  Transport Issues: If configurations were transported from one system to another, it might lead to duplicates if the same area names exist in both systems.
  
  Solution:
  
  
  Identify Duplicates:
  
  Go to the configuration settings for the NWBC or Fiori Launchpad.
  Check the area names defined in the configuration. You can do this by navigating to the relevant customizing transaction (e.g., /UI2/FLP for Fiori Launchpad).
  Look for any duplicate entries and note their details.
  
  
  
  Remove or Rename Duplicates:
  
  Once you identify the duplicates, you can either remove the unnecessary entries or rename them to ensure that all area names are unique.
  If you are using custom developments, ensure that the area names used in custom applications do not conflict with standard ones.
  
  
  
  Transport Management:
  
  If the issue arose due to transport, ensure that the transport requests do not contain conflicting area names. You may need to adjust the configurations in the target system.
  
  
  
  Testing:
  
  After making changes, test the configuration to ensure that the error no longer appears and that the user interface behaves as expected.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  Documentation: Review the official SAP documentation for NWBC and Fiori Launchpad configuration to understand best practices for naming conventions and avoiding duplicates.
  Community Forums: Consider searching or posting in SAP Community forums for insights from other users who may have encountered and resolved similar issues.
  
  By following these steps, you should be able to resolve the error message and ensure a smoother user experience in your SAP environment.