How To Fix UJA_EXCEPTION320 - Dimension &1 already exists with technical name &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 320

• Message text: Dimension &1 already exists with technical name &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJA_EXCEPTION320 - Dimension &1 already exists with technical name &2 ?

  The SAP error message UJA_EXCEPTION320 indicates that there is an attempt to create a dimension in SAP BW (Business Warehouse) that already exists. The message specifies that a dimension with the name you are trying to create (denoted by &1) already exists with a technical name (denoted by &2).
  Cause:
  
  Duplicate Dimension Creation: The most common cause of this error is that you are trying to create a dimension that has already been defined in the system.
  Incorrect Naming: There might be a misunderstanding regarding the naming conventions or the existence of similar dimensions.
  Transport Issues: If you are transporting objects from one system to another, there might be a conflict with existing dimensions.
  
  Solution:
  
  
  Check Existing Dimensions: 
  
  Go to the Data Warehousing Workbench (transaction code RSA1) and check the existing dimensions to confirm if the dimension you are trying to create already exists.
  If it does exist, you may need to modify the existing dimension instead of creating a new one.
  
  
  
  Use a Different Name: 
  
  If you need to create a new dimension, consider using a different name that does not conflict with existing dimensions.
  
  
  
  Delete or Rename Existing Dimension: 
  
  If the existing dimension is no longer needed, you can delete it or rename it to free up the name for your new dimension. Be cautious with this approach, as it may affect other objects that depend on the existing dimension.
  
  
  
  Check Transport Requests: 
  
  If this issue arises after a transport, check the transport requests to ensure that there are no conflicts with existing objects in the target system.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or notes related to dimension management in BW for any additional insights or best practices.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  SE11: Data Dictionary (to check existing tables and structures)
  
  
  
  SAP Notes: 
  
  Check SAP Notes for any known issues or updates related to dimension management in BW.
  
  
  
  Best Practices: 
  
  Maintain a clear naming convention for dimensions to avoid conflicts.
  Regularly document and review existing dimensions to ensure clarity in your data model.
  
  
  
  By following these steps, you should be able to resolve the UJA_EXCEPTION320 error and manage your dimensions effectively in SAP BW.