How To Fix /SAPAPO/TS001 - DataSource &1 exists already

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/TS -

• Message number: 001

• Message text: DataSource &1 exists already

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 /SAPAPO/TS001 - DataSource &1 exists already ?

  The SAP error message /SAPAPO/TS001 DataSource &1 exists already typically occurs in the context of SAP Advanced Planning and Optimization (APO) when you are trying to create or activate a DataSource that already exists in the system. This can happen during the configuration of data extraction or when setting up data sources for planning.
  Cause:
  The error indicates that the DataSource you are trying to create or activate is already defined in the system. This can happen due to:
  
  Attempting to create a DataSource with the same name as an existing one.
  A previous configuration or setup that was not properly deleted or deactivated.
  A system migration or transport that brought in an existing DataSource.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing DataSources:
  
  Use transaction code RSA1 to access the Data Warehousing Workbench.
  Navigate to the DataSources section and search for the DataSource with the name indicated in the error message (&1).
  If it exists, you can either modify it or delete it if it is no longer needed.
  
  
  
  Modify or Delete the Existing DataSource:
  
  If the DataSource is still relevant, consider modifying its settings instead of creating a new one.
  If it is not needed, you can delete it. Be cautious with deletion, as it may affect other configurations or processes.
  
  
  
  Check for Transport Issues:
  
  If the error occurred after a transport, ensure that the transport did not bring in duplicate DataSources.
  Review the transport logs and check if the DataSource was included in the transport request.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to DataSource management in APO for any specific guidelines or best practices.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a production environment.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSD1: DataSource maintenance
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on DataSource management.
  APO Configuration: Familiarize yourself with the configuration settings for DataSources in APO to avoid similar issues in the future.
  
  By following these steps, you should be able to resolve the error and continue with your configuration or data extraction tasks in SAP APO.