How To Fix /SAPAPO/SNPOPT279 - Optimizer input data: Reference not valid

/SAPAPO/SNPOPT279 - Overview

• Message type: E = Error

• Message class: /SAPAPO/SNPOPT -

• Message number: 279

• Message text: Optimizer input data: Reference not valid

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SNPOPT279 - Optimizer input data: Reference not valid ?

  The SAP error message /SAPAPO/SNPOPT279 Optimizer input data: Reference not valid typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the optimizer is unable to find a valid reference for the input data it is processing. This can happen for several reasons, and understanding the cause is crucial for resolving the issue.
  Causes:
  
  Invalid or Missing Master Data: The optimizer may be referencing master data (like materials, locations, or resources) that does not exist or is not properly maintained in the system.
  Incorrect Planning Version: The planning version being used may not be correctly set up or may not contain the necessary data.
  Data Inconsistencies: There may be inconsistencies in the data, such as missing or incorrect relationships between different master data objects.
  
  Configuration Issues: The configuration settings for the optimizer may not be correctly set, leading to references that cannot be resolved.
  Authorization Issues: The user executing the optimization may not