How To Fix /SAPAPO/OM_ERROR2391 - Invalid entry for ATP matrix

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 391

• Message text: Invalid entry for ATP matrix

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2391 - Invalid entry for ATP matrix ?

  The SAP error message /SAPAPO/OM_ERROR2391 indicates that there is an invalid entry for the Available-to-Promise (ATP) matrix in the Advanced Planning and Optimization (APO) module. This error typically arises when there is an issue with the configuration or data related to the ATP matrix, which is used to determine product availability based on various parameters.
  Causes:
  
  Incorrect Configuration: The ATP matrix may not be configured correctly in the system. This could include missing or incorrect entries in the matrix.
  Data Inconsistencies: There may be inconsistencies in the master data, such as product master data, location data, or other relevant data that the ATP matrix relies on.
  Missing Entries: The specific combination of product, location, and other parameters may not exist in the ATP matrix, leading to the error.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the ATP matrix or related data.
  
  Solutions:
  
  
  Check ATP Matrix Configuration:
  
  Go to the transaction code /SAPAPO/ATPM to review the ATP matrix configuration.
  Ensure that all necessary entries are present and correctly configured.
  
  
  
  Validate Master Data:
  
  Check the product master data and ensure that all relevant fields are filled out correctly.
  Verify that the location data is accurate and that the product is assigned to the correct location.
  
  
  
  Review Input Parameters:
  
  Ensure that the parameters being used to query the ATP matrix are valid and correspond to existing entries in the matrix.
  
  
  
  Check Authorizations:
  
  Verify that the user has the necessary authorizations to access the ATP matrix and related data.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify where the error is occurring. This may require assistance from a technical consultant.
  
  
  
  Related Information:
  
  ATP Matrix: The ATP matrix is a key component in the APO system that helps in determining product availability based on various criteria such as product, location, and time.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/ATPM for ATP matrix maintenance and /SAPAPO/OM for order management.
  Documentation: Refer to SAP documentation for detailed information on configuring and using the ATP matrix in APO.
  
  If the problem continues after following these steps, it may be beneficial to engage with SAP support or a consultant who specializes in SAP APO for further assistance.