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

/SAPAPO/ATP122 - Overview

• 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

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/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