How To Fix APS_CCV_DATA_SOURCE001 - Alias &1 is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: APS_CCV_DATA_SOURCE - Data sources

• Message number: 001

• Message text: Alias &1 is not unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message APS_CCV_DATA_SOURCE001 - Alias &1 is not unique ?

  The SAP error message APS_CCV_DATA_SOURCE001, which states "Alias &1 is not unique," typically occurs in the context of data source configuration within SAP systems, particularly when dealing with SAP BW (Business Warehouse) or SAP HANA. This error indicates that there is a conflict with the alias name you are trying to use for a data source, meaning that the alias you specified is already in use by another data source.
  Cause:
  
  Duplicate Alias: The most common cause of this error is that the alias name you are trying to create or use is already assigned to another data source in the system.
  Configuration Issues: There may be issues in the configuration of the data sources, such as incorrect settings or mismanagement of aliases.
  Transport Issues: If you are transporting objects between systems (e.g., from development to production), there may be conflicts arising from existing aliases in the target system.
  
  Solution:
  
  
  Check Existing Aliases: 
  
  Go to the relevant transaction (e.g., RSA1 for BW) and check the list of existing data sources and their aliases. Look for the alias that you are trying to use and see if it is already assigned to another data source.
  
  
  
  Rename the Alias: 
  
  If you find that the alias is already in use, consider renaming your data source or using a different alias that is unique within the system.
  
  
  
  Delete or Modify Existing Alias: 
  
  If the existing alias is no longer needed, you can delete or modify it to free up the name for your new data source. Be cautious with this approach, as it may affect other objects that rely on that alias.
  
  
  
  Check Transport Requests: 
  
  If the issue arose 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 data source configuration for any specific guidelines or best practices regarding alias management.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench) for BW or HANA Studio for HANA-related configurations.
  SAP Notes: Search for SAP Notes related to this error message for any patches or updates that may address the issue.
  System Logs: Check system logs for additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to resolve the APS_CCV_DATA_SOURCE001 error and ensure that your data source configurations are correctly set up.