How To Fix /SAPAPO/CTM4520 - Assignment of supply limits to supply categories is not used

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CTM4 -

• Message number: 520

• Message text: Assignment of supply limits to supply categories is not used

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CTM4520 - Assignment of supply limits to supply categories is not used ?

  The SAP error message /SAPAPO/CTM4520 indicates that there is an issue with the assignment of supply limits to supply categories in the SAP Advanced Planning and Optimization (APO) system, specifically in the context of the Capable-to-Match (CTM) planning process. This error typically arises when the system is unable to find a valid assignment of supply limits to the specified supply categories during the planning run.
  Cause:
  
  Missing Configuration: The supply limits may not be properly configured in the system. This can happen if the supply categories have not been assigned any supply limits in the configuration settings.
  Incorrect Master Data: The master data for the products or supply categories may be incomplete or incorrectly set up, leading to the inability to assign supply limits.
  Planning Area Issues: The planning area may not be correctly defined or may not include the necessary supply categories and limits.
  CTM Settings: The CTM settings may not be properly configured to utilize supply limits for the specified supply categories.
  
  Solution:
  
  
  Check Supply Category Configuration:
  
  Go to the configuration settings for supply categories in the SAP APO system.
  Ensure that all relevant supply categories have been assigned appropriate supply limits.
  
  
  
  Review Master Data:
  
  Verify that the master data for the products involved is complete and correctly set up.
  Check the product master data and ensure that the supply categories are correctly assigned.
  
  
  
  Validate Planning Area:
  
  Ensure that the planning area includes the necessary supply categories and that the supply limits are defined for those categories.
  You can check the planning area settings in the SAP APO system.
  
  
  
  Adjust CTM Settings:
  
  Review the CTM settings to ensure that they are configured to utilize supply limits for the relevant supply categories.
  Make any necessary adjustments to the CTM profile to include the supply limits.
  
  
  
  Testing:
  
  After making the necessary changes, run a test planning run to see if the error persists.
  Monitor the logs for any additional errors or warnings that may provide further insight.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as /SAPAPO/CTM for CTM settings, /SAPAPO/MAT1 for material master data, and /SAPAPO/MC62 for checking supply category assignments.
  Documentation: Refer to SAP documentation for detailed guidance on configuring supply limits and CTM settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the error message /SAPAPO/CTM4520 and ensure that supply limits are correctly assigned to supply categories in your SAP APO system.