How To Fix /SAPAPO/CTM1398 - Component &1 in in-house-production source of supply &2 is a sub product

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CTM1 -

• Message number: 398

• Message text: Component &1 in in-house-production source of supply &2 is a sub product

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CTM1398 - Component &1 in in-house-production source of supply &2 is a sub product ?

  The SAP error message /SAPAPO/CTM1398 typically occurs in the context of Advanced Planning and Optimization (APO) when dealing with the Capacity Planning and Production Planning functionalities. This specific error indicates that there is an issue with the configuration of the in-house production source of supply, particularly when it involves sub-products.
  Cause:
  The error message /SAPAPO/CTM1398 is triggered when the system encounters a situation where a component (material) is defined as a sub-product in the in-house production source of supply. This can happen due to:
  
  Incorrect Master Data Configuration: The material master data for the component may not be set up correctly, leading the system to treat it as a sub-product.
  Production Process Configuration: The production process may not be correctly defined, causing the system to misinterpret the relationship between the main product and its components.
  Planning Version Issues: The planning version being used may not be aligned with the current configuration of the materials and their relationships.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master for the component and verify its configuration. Ensure that it is not incorrectly marked as a sub-product.
  Check the "Basic Data" and "MRP" views to ensure that the settings are appropriate for the component.
  
  
  
  Review Production Process:
  
  Examine the production process configuration in the APO system. Ensure that the component is correctly defined in the production process and that it is not mistakenly categorized as a sub-product.
  Check the production version and ensure that it is correctly assigned to the main product.
  
  
  
  Validate Source of Supply:
  
  Ensure that the in-house production source of supply is correctly set up in the system. Check the settings in the APO system to confirm that the source of supply is appropriate for the main product.
  
  
  
  Check Planning Version:
  
  Make sure that the planning version you are using is up to date and reflects the current configuration of the materials and their relationships.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for further insights into the specific error message and its implications.
  
  
  
  Testing:
  
  After making the necessary changes, run a test to see if the error persists. If it does, further investigation may be required.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like C223 (for production version) or MM03 (for material master) to check and modify the relevant data.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Support: If the issue persists after following the above steps, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the /SAPAPO/CTM1398 error message.