How To Fix UJA_EXCEPTION208 - Member data has duplicate field '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: UJA_EXCEPTION - BPC: Admin exception message class

• Message number: 208

• Message text: Member data has duplicate field '&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.

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 UJA_EXCEPTION208 - Member data has duplicate field '&1' ?

  The SAP error message UJA_EXCEPTION208 indicates that there is a problem with duplicate field names in the member data of a certain context, typically related to the SAP Business Warehouse (BW) or SAP BusinessObjects environments. This error usually arises when you are trying to load or process data that contains fields with the same name, which can lead to ambiguity and processing issues.
  Cause:
  
  Duplicate Field Names: The primary cause of this error is the presence of duplicate field names in the data being processed. This can occur during data extraction, transformation, or loading (ETL) processes.
  Data Source Configuration: Incorrect configuration of data sources or queries that result in the same field being included multiple times.
  Modeling Errors: Errors in the data model where fields are not uniquely defined or where joins lead to duplicate fields.
  
  Solution:
  
  Identify Duplicate Fields: Review the data source or the query that is being executed to identify where the duplicate field names are coming from. This may involve checking the underlying database tables or the data model in SAP BW.
  Rename Fields: If possible, rename the duplicate fields in the source data or in the query to ensure that each field has a unique name.
  Adjust Data Model: If the issue arises from the data model, consider adjusting the model to eliminate duplicate fields. This may involve modifying joins or aggregations.
  Check Data Source Configuration: Ensure that the data source is correctly configured and that it does not inadvertently include the same field multiple times.
  Use Aliases: If you need to keep both fields for some reason, consider using aliases to differentiate them in the query or data model.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any specific patches or updates that may address the issue.
  Documentation: Review SAP BW documentation for best practices on data modeling and ETL processes to avoid such issues in the future.
  Testing: After making changes, thoroughly test the data load or processing to ensure that the error is resolved and that data integrity is maintained.
  
  If the problem persists after trying these solutions, it may be beneficial to consult with SAP support or a technical expert familiar with your specific SAP environment.