How To Fix /SAPAPO/ATP122 - Error when determining checking horizon for product &1 in location &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 122

• Message text: Error when determining checking horizon for product &1 in location &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATP122 - Error when determining checking horizon for product &1 in location &2 ?

  The SAP error message /SAPAPO/ATP122 typically occurs in the Advanced Planning and Optimization (APO) module when there is an issue with determining the checking horizon for a product at a specific location. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Cause:
  
  
  Missing or Incorrect Master Data: The product or location master data may be incomplete or incorrectly configured. This includes missing checking horizon settings or incorrect product-location assignments.
  
  
  Configuration Issues: The configuration settings for the checking horizon in the APO system may not be set up correctly. This can include settings in the product master or location master data.
  
  
  Planning Area Settings: The planning area may not be properly defined, or the product may not be assigned to the correct planning area.
  
  
  Time Series Data: There may be issues with the time series data for the product, such as missing or incorrect historical data that is needed for the ATP (Available to Promise) calculations.
  
  
  Product Availability Check Settings: The settings for the availability check may not be properly defined, leading to issues in determining the checking horizon.
  
  
  Solution:
  
  
  Check Master Data: Verify that the product and location master data are complete and correctly configured. Ensure that the checking horizon is defined for the product in the product master data.
  
  
  Review Configuration: Check the configuration settings related to the checking horizon in the APO system. Ensure that the settings align with the business requirements.
  
  
  Validate Planning Area: Ensure that the product is assigned to the correct planning area and that the planning area is properly configured.
  
  
  Examine Time Series Data: Check the time series data for the product to ensure that it is complete and accurate. If necessary, regenerate the time series data.
  
  
  Adjust Availability Check Settings: Review the availability check settings in the system and make adjustments as needed to ensure that they are correctly defined.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional guidance and troubleshooting steps.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/OM17 (to check product master data) or /SAPAPO/OM00 (to check location master data) to review the relevant settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.