How To Fix /SAPAPO/TSM135 - DataSource '&2' exists for planning area '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/TSM -

• Message number: 135

• Message text: DataSource '&2' exists for planning area '&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 /SAPAPO/TSM135 - DataSource '&2' exists for planning area '&1' ?

  The SAP error message /SAPAPO/TSM135 indicates that there is a DataSource that already exists for the specified planning area in SAP Advanced Planning and Optimization (APO). This error typically arises when you attempt to create or modify a DataSource for a planning area that already has an associated DataSource.
  Cause:
  
  Existing DataSource: The primary cause of this error is that the DataSource you are trying to create or modify is already defined for the specified planning area.
  Configuration Issues: There may be inconsistencies in the configuration or setup of the planning area and its associated DataSources.
  Duplicate Entries: Attempting to create a DataSource with the same name or identifier as an existing one.
  
  Solution:
  
  
  Check Existing DataSources: 
  
  Go to the relevant transaction in SAP APO (e.g., /SAPAPO/TSM for DataSource management) and check if the DataSource already exists for the specified planning area.
  If it does exist, you may need to modify or delete the existing DataSource instead of creating a new one.
  
  
  
  Modify Existing DataSource: 
  
  If you need to change the configuration of the existing DataSource, you can do so instead of creating a new one. Make sure to review the settings and adjust them as necessary.
  
  
  
  Delete Unused DataSources: 
  
  If the existing DataSource is no longer needed, you can delete it to free up the name for a new DataSource.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or help resources for more detailed instructions on managing DataSources in APO.
  
  
  
  Check for Transport Issues: 
  
  If you are working in a transport environment, ensure that there are no transport issues that might be causing inconsistencies in the DataSource definitions.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/TSM for DataSource management and /SAPAPO/SDP94 for planning area configuration.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  APO Documentation: Review the SAP APO documentation for best practices in managing planning areas and DataSources.
  
  By following these steps, you should be able to resolve the error and manage your DataSources effectively in SAP APO.