How To Fix /SAPAPO/DC_MSG426 - Error when determining aggregation level

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DC_MSG -

• Message number: 426

• Message text: Error when determining aggregation level

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DC_MSG426 - Error when determining aggregation level ?

  The SAP error message /SAPAPO/DC_MSG426 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with determining the aggregation level for a planning object. This error can arise due to various reasons, including configuration issues, missing data, or inconsistencies in the master data.
  Causes of the Error
  
  
  Missing or Incorrect Aggregation Level: The aggregation level you are trying to use may not be defined correctly or may not exist in the system.
  
  
  Inconsistent Master Data: If the master data (like product, location, or time series) is incomplete or inconsistent, it can lead to this error.
  
  
  Configuration Issues: There may be issues with the configuration of the planning area or the planning object structure.
  
  
  Data Locking: If the data is locked by another process or user, it may prevent the system from determining the aggregation level.
  
  
  Authorization Issues: Lack of proper authorizations for accessing certain data or objects can also lead to this error.
  
  
  Solutions
  
  
  Check Aggregation Level Definition:
  
  Go to the transaction /SAPAPO/AL (Aggregation Level Maintenance) and verify that the aggregation level you are trying to use is defined correctly.
  Ensure that the key figures and characteristics are correctly assigned.
  
  
  
  Validate Master Data:
  
  Check the master data for the relevant planning objects to ensure that all necessary data is present and correctly maintained.
  Use transaction /SAPAPO/MD to check the master data.
  
  
  
  Review Configuration:
  
  Ensure that the planning area and planning object structure are configured correctly.
  Check the settings in transaction /SAPAPO/PPDS or /SAPAPO/DP depending on the context.
  
  
  
  Check for Data Locks:
  
  Use transaction SM12 to check for any locks on the relevant data. If you find locks that are no longer needed, you can delete them (with caution).
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the aggregation level and related data.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify the exact point of failure. This may require technical expertise.
  
  
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. You can search for notes related to /SAPAPO/DC_MSG426 in the SAP Support Portal.
  Documentation: Review the SAP APO documentation for aggregation levels and planning areas to ensure that you are following best practices.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it. If the problem persists, it may be beneficial to consult with an SAP expert or your SAP support team for further assistance.