How To Fix /SAPAPO/RRP091 - Heuristic &1 is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RRP -

• Message number: 091

• Message text: Heuristic &1 is invalid

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/RRP091 - Heuristic &1 is invalid ?

  The SAP error message /SAPAPO/RRP091 Heuristic &1 is invalid typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a heuristic that is being called is not recognized or is not valid in the current context. This can happen for several reasons, including:
  Causes:
  
  Heuristic Not Defined: The heuristic specified in the error message may not be defined in the system.
  Incorrect Heuristic Name: There may be a typo or incorrect name used when calling the heuristic.
  Authorization Issues: The user may not have the necessary authorizations to execute the heuristic.
  Heuristic Deactivation: The heuristic may have been deactivated or removed from the system.
  Configuration Issues: There may be configuration issues in the APO system that prevent the heuristic from being recognized.
  
  Solutions:
  
  
  Check Heuristic Definition:
  
  Go to the transaction code /SAPAPO/HEUR to check if the heuristic is defined in the system.
  Ensure that the heuristic name matches exactly with what is being called.
  
  
  
  Verify Heuristic Name:
  
  Double-check the name of the heuristic being used in the planning run or in the relevant configuration settings to ensure there are no typos.
  
  
  
  Review Authorizations:
  
  Ensure that the user executing the heuristic has the necessary authorizations. This can be checked in transaction SU53 or by consulting with your security team.
  
  
  
  Check Heuristic Status:
  
  If the heuristic has been deactivated, you may need to reactivate it or create a new heuristic if it has been removed.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or help files related to the specific heuristic to ensure that it is being used correctly.
  
  
  
  System Logs:
  
  Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/HEUR for heuristic management and /SAPAPO/RRP for planning board functions.
  SAP Notes: Search for relevant SAP Notes that may address known issues or provide patches related to the heuristic in question.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.