How To Fix /SAPAPO/PP_OPTIMIZER279 - Optimizer input data: Reference not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PP_OPTIMIZER -

• Message number: 279

• Message text: Optimizer input data: Reference not valid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PP_OPTIMIZER279 - Optimizer input data: Reference not valid ?

  The SAP error message /SAPAPO/PP_OPTIMIZER279 indicates that there is an issue with the input data for the optimizer in the SAP Advanced Planning and Optimization (APO) module. Specifically, the message states that a reference is not valid, which typically means that the optimizer is trying to access data that is either missing, incorrectly configured, or not properly linked.
  Causes:
  
  Missing Master Data: The reference data (like materials, resources, or production versions) required for the optimizer may not exist in the system.
  Incorrect Configuration: The configuration settings for the optimizer may not be set up correctly, leading to invalid references.
  Data Inconsistencies: There may be inconsistencies in the master data, such as incorrect or incomplete entries.
  Authorization Issues: The user executing the optimizer may not have the necessary authorizations to access certain data.
  Versioning Issues: The optimizer may be referencing an outdated or incorrect version of the data.
  
  Solutions:
  
  Check Master Data: Verify that all necessary master data (materials, resources, etc.) is correctly set up and available in the system.
  Review Configuration: Ensure that the configuration for the optimizer is correct. This includes checking the settings in the APO system and ensuring that all necessary parameters are defined.
  Data Consistency Check: Run consistency checks on the master data to identify and correct any inconsistencies.
  Authorization Check: Ensure that the user has the appropriate authorizations to access the required data.
  Update Data: If the optimizer is referencing an outdated version of the data, ensure that all relevant data is updated and that the optimizer is using the latest version.
  Logs and Traces: Check the logs and traces for more detailed information about the error. This can provide insights into what specific reference is causing the issue.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like /SAPAPO/OPTIMIZER to access the optimizer settings or /SAPAPO/MAT1 to check material master data.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP APO documentation for guidelines on setting up and configuring the optimizer, as well as best practices for maintaining master data.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.