How To Fix /SAPAPO/TSM371 - DataSource not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/TSM -

• Message number: 371

• Message text: DataSource not unique

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 /SAPAPO/TSM371 - DataSource not unique ?

  The SAP error message /SAPAPO/TSM371 DataSource not unique typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the DataSource configuration. This error indicates that the system has encountered multiple DataSources that match the criteria for a particular operation, leading to ambiguity.
  Cause:
  
  Multiple DataSources: The most common cause of this error is that there are multiple DataSources defined in the system that match the same criteria, which makes it unclear which one should be used.
  Configuration Issues: There may be a misconfiguration in the DataSource settings or in the way the DataSources are being called in the planning process.
  DataSource Overlap: If DataSources are not properly defined or if there is overlap in their definitions, the system may not be able to determine which DataSource to use.
  
  Solution:
  
  Check DataSource Definitions: Review the definitions of the DataSources in the system. Ensure that each DataSource has a unique identifier and that there are no overlaps in their configurations.
  Adjust Selection Criteria: If the error occurs during a specific operation, check the selection criteria being used. Make sure that the criteria are specific enough to return a single DataSource.
  Use Transaction /SAPAPO/TSM: You can use transaction /SAPAPO/TSM to analyze the DataSources and their configurations. This transaction allows you to see the details of the DataSources and identify any duplicates.
  Consult Documentation: Refer to SAP documentation or notes related to DataSource configuration in APO for best practices and troubleshooting steps.
  Contact SAP Support: If the issue persists after checking the configurations, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/TSM for managing DataSources.
  SAP Notes: Check for any SAP Notes that may address known issues or provide patches related to DataSource management in APO.
  APO Configuration: Understanding the overall configuration of APO, including how DataSources are set up and utilized, can help in troubleshooting this error.
  
  By following these steps, you should be able to identify and resolve the issue causing the /SAPAPO/TSM371 DataSource not unique error.