How To Fix /SAPAPO/ATP165 - Category &1 may not be used for ATP checks

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 165

• Message text: Category &1 may not be used for ATP checks

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATP165 - Category &1 may not be used for ATP checks ?

  The SAP error message /SAPAPO/ATP165 indicates that a specific category (denoted as &1) cannot be used for Available-to-Promise (ATP) checks in the Advanced Planning and Optimization (APO) module. This error typically arises when the system is configured in a way that restricts the use of certain categories for ATP checks.
  Cause:
  
  Configuration Issues: The category specified in the error message may not be configured correctly in the system for ATP checks. This could be due to missing settings in the configuration of the ATP check or the product master data.
  Category Restrictions: The category might be explicitly restricted from being used for ATP checks in the system settings.
  Master Data Issues: The product or material master data may not be set up to allow ATP checks for the specified category.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the SAP configuration settings for ATP checks. You can find this under the path: SPRO -> Advanced Planning and Optimization -> Global Settings -> ATP -> Define ATP Check.
  Ensure that the category in question is included in the ATP check configuration.
  
  
  
  Review Product Master Data:
  
  Check the product master data for the material associated with the ATP check. Ensure that the relevant settings for ATP are correctly maintained.
  Verify that the product is assigned to the correct ATP category.
  
  
  
  Adjust Category Settings:
  
  If the category is not intended to be used for ATP checks, consider adjusting the settings to either allow it or to use a different category that is permitted for ATP checks.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to ATP checks and the specific error message for any additional insights or updates that may be relevant.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test ATP check to ensure that the error no longer occurs and that the system behaves as expected.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on ATP configuration.
  Transaction Codes: Familiarize yourself with transaction codes such as /SAPAPO/ATC (for ATP checks) and /SAPAPO/MC90 (for product master data) to help diagnose and resolve issues.
  User Roles and Authorizations: Ensure that the user performing the ATP check has the necessary authorizations to access and modify the relevant configuration settings.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or reach out to SAP support for further assistance.