How To Fix /SAPAPO/TSM555 - All active aggregates were assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/TSM -

• Message number: 555

• Message text: All active aggregates were assigned

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/TSM555 - All active aggregates were assigned ?

  The SAP error message /SAPAPO/TSM555 All active aggregates were assigned typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when dealing with the planning area and its aggregates. This error indicates that all active aggregates for a given planning area have already been assigned to the relevant data, and there are no more aggregates available for assignment.
  Cause:
  
  Exhaustion of Aggregates: The system has run out of available aggregates that can be assigned to the planning area. This can happen if all defined aggregates are already in use.
  Configuration Issues: There may be a misconfiguration in the planning area or aggregates, leading to the system not being able to assign any more aggregates.
  Data Model Changes: Changes in the data model or planning area configuration may have led to a situation where the existing aggregates are no longer sufficient.
  
  Solution:
  
  
  Review Aggregate Configuration:
  
  Check the configuration of aggregates in the planning area. Ensure that there are enough aggregates defined for the data you are working with.
  You can do this by navigating to the transaction code /SAPAPO/TSM1 (Aggregate Maintenance) and reviewing the existing aggregates.
  
  
  
  Create New Aggregates:
  
  If you find that there are not enough aggregates, consider creating new aggregates that can be assigned to the planning area. This can be done in the same transaction mentioned above.
  
  
  
  Check Active Aggregates:
  
  Use transaction /SAPAPO/TSM2 to check which aggregates are currently active and assigned. This can help you identify if there are any aggregates that can be deactivated or if new ones need to be created.
  
  
  
  Reassign or Deactivate Unused Aggregates:
  
  If there are aggregates that are not being used, consider deactivating them to free up space for new assignments.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to aggregate management in APO for any specific guidelines or best practices.
  
  
  
  System Performance:
  
  Ensure that the system performance is not being impacted by the number of aggregates. Sometimes, having too many aggregates can lead to performance issues.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  /SAPAPO/TSM1: Aggregate Maintenance
  /SAPAPO/TSM2: Display Active Aggregates
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues or provide patches related to aggregate management.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the error message /SAPAPO/TSM555 All active aggregates were assigned and ensure that your planning area has the necessary aggregates for effective data processing.